List of Person of Interest characters

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This is a list of characters in the American science fiction crime drama television series Person of Interest.

Main characters[edit]

Actor Character Seasons
1 2 3 4 5
Jim Caviezel John Reese Main
Michael Emerson Harold Finch Main
Taraji P. Henson Jocelyn "Joss" Carter Main Guest N/A
Kevin Chapman Lionel Fusco Main
Sarah Shahi Sameen Shaw N/A Recurring Main
Amy Acker "Root"/Samantha "Sam" Groves Guest Recurring Main

John Reese[edit]

John Reese (played by Jim Caviezel) is the name adopted by the former U.S. Army Special Forces soldier and Central Intelligence Agency (CIA) officer who serves as Finch's armed enforcer used to stop future crimes. Presumed dead following a failed CIA operation in China, Reese's real name is unknown. He was nicknamed "The Man in the Suit" by law enforcement, who know him only in terms of the description given by witnesses.

Harold Finch[edit]

Harold Finch (played by Michael Emerson) is a reclusive billionaire software engineer who built a machine that predicts future crimes and outputs either the victim's or perpetrator's Social Security number. He is known by a series of bird-themed aliases such as Harold Wren, Harold Crow, and Harold Swift. Finch is very secretive and highly conscious of digital security, and has successfully erased his own digital footprint. A frequent companion of Finch is a dog named Bear (played by Graubaer's Boker[1]). Bear is a Belgian Malinois with military training who Reese rescues from Aryan Nationalists, who were using him as an attack dog.

Joss Carter[edit]

Jocelyn "Joss" Carter (played by Taraji P. Henson) is a detective in the New York City Police Department (NYPD) 8th Precinct Homicide Task Force. She is a single mother of one son, Taylor, whom she is close to. Formerly a Warrant Officer and an interrogator in the U.S. Army, she did two tours of duty, one in Iraq and one in Afghanistan. She passed the bar examination in 2004, but gave up practicing law to become a police officer. In 2005, she had graduated from the police academy and started working in the NYPD as a patrol officer. In 2008 she was promoted to a detective and since 2010 she has worked in the Homicide Task Force at the 8th Precinct. Carter crossed paths with homeless John Reese ("Pilot") following his encounter with a group of young men on a New York City subway, but she later reconnects with him as the mysterious man in a suit. Carter is initially determined to apprehend Reese as a person of interest (a person not formally accused of a crime) even after Reese saves her and her son on separate occasions. However, when the CIA tries to assassinate Reese without due process, she gradually revises her views and starts helping Reese and Finch instead.

For nine episodes in season 3, Carter is demoted to a beat officer after the crime organization HR frames her for shooting an unarmed suspect at the end of season 2. This incident, and the death of two her fellow detectives – Bill Szymanski and Cal Beecher – motivate her to go against HR and arrest its mastermind, Alonzo Quinn, without resorting to the vigilante justice of Reese and Finch. By doing so, she restores her status as a detective. Tragically, soon afterwards, she is killed by Patrick Simmons, the last surviving member of HR, who was trying to ambush Reese.[2] Her death sends Reese and Shaw on a bloody vengeance spree. During most of her screen time, she is unaware of the Machine's existence and does not know where the tips come from. Only after Carter's status as a detective is restored does she conclude that Finch must be receiving his info from a computer.

Lionel Fusco[edit]

Lionel P. Fusco (played by Kevin Chapman) is a homicide detective who was previously working in the NYPD 51st Precinct Vice Squad. He has an ex-wife and a young son, Lee Fusco. Fusco was a member of the criminal organization HR, although he did it for personal loyalty rather than greed. John Reese gave him a chance for redemption. At first, John had to blackmail him with the death of a murdered fellow officer, but later he arranged for him to be transferred to the 8th Precinct Homicide Task Force where he worked with Carter. Gradually during the first season, Fusco became a loyal friend. Until the finale of the first season, he and Carter are unaware that they have both been helping Finch and Reese. Fusco remained unaware of the Machine's existence until "Sotto Voce". He calls everyone by nickname: "Wonder Boy", "Glasses" and "Cocoa Puffs" are nicknames he uses for Reese, Finch and Root, respectively.

Sameen Shaw[edit]

Sameen Shaw (played by Sarah Shahi) is a former U.S. Marine and an ISA operative, first seen as an assassin working for "The Program", the section of the Government dealing with the "relevant" numbers found by The Machine (S2 Ep16, "Relevance"). She begins to have doubts after one of her targets proves to be an engineer working for the government; the assassination is part of the cover-up that conceals the existence of The Machine. As a result, her partner is killed and she becomes a number. Reese and Finch save her life and she subsequently works for them on a regular basis. She likes dogs and buys Bear an expensive collar and other presents.

Shaw witnessed her father's death in an automobile accident at a young age but did not exhibit typical emotional reactions to it. In her first appearance, she claims that she has alexithymia, making her unable to feel and/or express common human emotions like fear or sadness.[3] Shaw once trained as a surgeon; although very technically capable, she was criticized by her superiors for her indifference and lack of sensitivity to her patients and it is implied that she was removed from the program before she could complete her surgical training because of these emotional characteristics. She is capable of deducing emotionally correct actions, such as rescuing Fusco's son rather than Fusco (S3 Ep9, "The Crossing") and taking on Genrika as her unofficial ward (S3 Ep5, "Razgovor"). She unexpectedly reveals human emotion by passionately kissing Root before sacrificing herself to save the team (S4 Ep11, "If-Then-Else").

She is later revealed to be alive and is used by Samaritan to bait a trap for the team. ("Asylum") Greer then has Shaw subjected to over 7,000 simulations in an attempt to turn her on the team, but Shaw is able to escape, killing Jeremy Lambert in the process. ("Reassortment") Shaw returns to New York a week later, but because of the amount of simulations she went through, has a hard time distinguishing reality from simulation. Root is able to get her to rejoin the team, however, which now includes a fully knowledgeable Fusco. ("Sotto Voce") Following Finch's cover being blown, Shaw works with Root to protect him but is separated by a gunfight. She is later devastated to learn of Root's death. ("The Day the World Went Away") Following Root's death, the Machine reassigns Root's rotating identities to Shaw and she works with Reese and Fusco to stop a Presidential assassination by domestic terrorists. ("Synecdoche") She then infiltrates Fort Meade with Reese to back up Finch in deploying the ICE-9 virus into Samaritan. (".exe") As the world falls apart from the ICE-9 virus, Shaw visits Root's grave in an attempt to say goodbye, but is unable to. She is then contacted by the Machine directly with Root's voice and it aids her in escaping a Samaritan ambush. During the final battle with Samaritan, Shaw works with Fusco to defend the Machine, capturing Samaritan agent Jeffrey Blackwell in the process. Shaw realizes Blackwell is Root's killer, but he escapes after seriously wounding Fusco. Before Shaw and Fusco abandon the Machine, the Machine passes on a final message from Root to Shaw who is able to finally say goodbye to Root. A week later, Shaw hunts down and kills Blackwell in revenge for Root. She then meets a recovering Fusco in a café, neither of them knowing if Reese or Finch survived. Shaw then takes Bear and walks down the street before being contacted by the Machine's copy with a new mission. ("return 0")


Root (played by Amy Acker), born Samantha "Sam" Groves, is a highly intelligent computer hacker and contract killer, obsessed with Finch and the Machine. Aside from her extraordinary intelligence, she has also displayed an uncanny ability in the use of firearms, a very high threshold for pain (S2 Ep2, "Bad Code", where she gets physically assaulted by Denton Weeks; S3 Ep12, "Aletheia", where she is severely tortured but not broken by Control) and a proficiency for social engineering. She has successfully posed as a high-end psychiatrist (S1 Ep23, "Firewall"), an assistant to the United States Special Counsel (S2 Ep15, "Booked Solid") and as a legitimate FBI agent (showing up in Lionel Fusco's New York City Police Department 8th Precinct with a legitimate warrant and an FBI badge, S3 Ep17, "Root Path").

She was raised in Bishop, Texas, where she lived until her mother's death. According to Sam, in discussions with Finch, her mother told her to "follow her talents" — and she was good at inflicting harm on others without guilt or remorse. Also, as a child, computers made more sense to Sam than people, who she sees as "bad code"; admitting she has been waiting for someone who shared her understanding of technology her whole life.

In 1991, Sam and her friend, Hanna Frey, were playing computer games in the local library until it closed for the day. After her friend left, Sam stayed a little longer successfully finishing The Oregon Trail. When she was ready to leave the library, she saw Hanna getting into a car that belonged to Trent Russell, a local man who was a member of the book club. She recognized his car and told the librarian, Barbara, (played by Margo Martindale), who later married Trent Russell, what she had seen. However, as Barbara was in love with Trent, she kept the information to herself to protect him.

Two years after Hanna disappeared, Sam hacked into the bank account of a drug lord, and stole $100,000, using the money to frame Trent for the robbery, setting him up to be killed, as revenge for killing Hanna.[4] Sam later moved to New York and became a professional assassin and ruthless hacker-for-hire under the alias "Root". She has no qualms about killing, murdering or torturing people to get whatever she wants.[5] She was hired by Pete Matheson to assassinate Congressman Michael Delancey. Through the use of a patsy, Scott Powell, Root was successful. However, her plan to kill Powell afterwards was foiled by John Reese. Ultimately, the operation fell apart as Reese took out one of her men and stole his phone while Finch provided a phone recording to the FBI proving Matheson's involvement. Realizing this, Root killed her client and staged it as a suicide out of guilt for his actions, exonerating Powell. Root cleared out of her location, the dorm room of an uninvolved college student away on winter break, before the FBI, acting on an "anonymous" tip (from Finch) could apprehend her. She had a brief instant message conversation with Finch, acknowledging him as a worthy opponent and said she was looking forward to the next time. She ended the conversation with "Harold", letting him know that she knew who he was.[6]

As part of Root's plan to come face to face with Finch, Root anonymously contacted HR and put a hit on herself, using the pseudonym "Dr. Caroline Turing". Turing's Social Security number appeared through the Machine, making her a person of interest. Reese, discovering Turing was a psychologist, became one of her patients. Later that night, Turing was attacked by four assassins hired by Simmons. Reese managed to get her to safety in a hotel for the night, and the two were unknowingly caught on the FBI's radar. Under Donnelley's supervision, the FBI staged a full-scale assault on the hotel, while HR was trying to get to Turing. With the help of Joss Carter and Finch, Turing was led to an underground tunnel system under the hotel. Reese instructed her to find Finch at the end of the tunnel, while he was holding off the HR hit men. As Finch was confronted by Alicia Corwin regarding his involvement with the Machine, Root shot Corwin dead. Introducing herself as Root, she tells Harold they have a lot to talk about. Finch drove away at gunpoint, with Corwin's body left behind.[7]

Planning to escape with Finch to Texas, Root stopped in Maryland where she gained access to Denton Weeks' house. She lured him there to overpower and question him about the whereabouts of the Machine. When he did not tell her what she wanted to hear, she shot him dead. She did not know that Reese had already tracked her down through her friend Hanna's case. At the train station, Reese managed to save Finch and Root escaped. She called him on his mobile phone later that day to thank him for solving Hanna's case and told him that she would be in touch.[8]

While holding him captive, Root explained to Finch that she does not want to control the Machine but to "set it free" to usher in a posthuman future.[clarification needed][9] Several months later, Root, to gain information, began working, as "Miss May", an assistant to the Special Counsel at the Office of Special Counsel.[10]

Recurring characters[edit]

Friends & Family of Team Machine[edit]

The following is a list of friends and relatives of team machine

Jessica Arndt[edit]

Jessica Arndt (played by Susan Misner) was John Reese's ex-girlfriend and Peter Arndt's wife.

Jessica dated John Reese for approximately six months prior to September 2001 ("Pilot"). At this time, she was living in Tacoma, Washington ("Many Happy Returns").

While on a vacation in Mexico on September 11, 2001, Jessica received a call from her mother. She claimed she was on vacation with a friend, keeping Reese a secret. In bed, Jessica jokingly asked Reese to quit the United States Army, unaware that he already had. Moments later, she witnessed the news coverage about the attacks on the World Trade Center ("Pilot").

Years later, Jessica ran into Reese at an airport, and he told her that he had found a new job. She told him that she was engaged to a man named Peter and was moving back East, though she would wait for him if he told her to. Without a response, Reese turned and left. Moments later, he whispered the words to himself ("Mission Creep").

At some point after their interaction at the airport, on Reese's first day as a CIA agent, his handler, Kara Stanton, showed him a surveillance picture of the two of them. Stanton instructed him to forget about Jessica ("Foe").

Jessica's number came up in the Machine during the meeting where Finch and Ingram debated the morality of overlooking the numbers coming up on the irrelevant list ("Ghosts").

While operating illegally in New York, Reese met with Peter, who was now married to Jessica, at a bar. As Jessica arrived, Kara convinced Reese to leave just before Peter could "introduce" her to him ("Blue Code").

Reese and Stanton are in Morocco interrogating a suspect. While Stanton is busy with the suspect, Reese receives a voicemail from Jessica, who sounds distraught. Reese calls Jessica back. She is sitting inside a car at night. Reese can tell something is wrong, something she is not telling him. He informs her that he will be in New York to see her the next day. He tells her to wait for him, and she promises that she will. However, Reese is denied leave, as he and Stanton are commissioned on a special assignment to China by Agent Snow.

Jessica called and left a voicemail for Reese. She was in the kitchen in her and Peter's house. Peter enters the kitchen just as she hangs up the phone and asks her who she was talking to. Peter is angry, enters the kitchen and begins to drink a beer. Jessica is visibly frightened to be near him.

Later that month, Peter assaulted and accidentally killed Jessica by bashing her head against their kitchen counter. He originally intended to call an ambulance, but later decided to cover up the murder by staging a car accident.

Reese later attempted to contact Jessica after escaping from a trap set by his CIA handlers in China. He went to the hospital she had worked at in New Rochelle to inquire about her, but discovered she had died two months prior. Without knowing it, he encountered a wheelchair-bound Finch in the hospital after learning the news. The Machine had been giving Finch Jessica's number over the years, but he had originally been unable to ascertain why it kept appearing. He eventually discovered that it was because she was living with someone who was an imminent threat to her. However, the discovery came too late, and Finch was unable to help her before she died. Her death had a significant impact on Reese, leading him to alcoholism and contemplating suicide before his meeting with Finch ("Pilot").

Carter began investigating Jessica's death after the FBI invited her to help investigate Jessica's husband, who they believed was murdered by Reese for owing money to a loan shark. Although the official autopsy report dated 12/07/10 suggested Jessica's death was caused by a car accident, Carter's investigation leads her to discover Jessica was abused by her husband and was killed prior to the "accident". The cause of death was blunt force trauma to the head and a broken neck. She also discover's Jessica's past relationship with Reese and destroys the evidence to keep the FBI from finding out.

Grace Hendricks[edit]

Grace R. Hendricks (played by Carrie Preston) was Finch's former fiancée who believes him to be dead.

Grace was born on April 12, 1969, in Columbia, South Carolina. In 1987, she enrolled in Rhode Island School of Design and graduated four years later with a Bachelor of Fine Arts, followed by a Master of Fine Arts from Yale University in 1994 ("The High Road"). She spent her college junior year in Venice, Italy ("Til Death").

While demonstrating the progress of the Machine to Nathan Ingram, Harold Finch was directed by the computer to Grace, who was painting in a park. Finch assumed the Machine's direction of him to her was a glitch ("The High Road").

After seemingly correcting the glitch, and returning to the park on another day while she was painting, the Machine directed Finch to Grace again. Harold discovered that, because he had asked the Machine to direct him to people who had characteristics one would not expect, it had directed him to Grace because she was the only person in the park who had no "dark secrets", plus with her interest for Charles Dickens ("The High Road").

In January, Grace was painting in the park again when Harold approached her eating an ice cream cone. He asked her if she wanted one, too ("The High Road"). They started dating soon after. On her birthday in April, Finch sent her on a scavenger hunt taking her to the Guggenheim Museum where he surprised her with her favorite painting ("Til Death").

Grace and Finch are in a relationship, and later become engaged. They were living together in Grace's house near Washington Square Park. In 2010, she supposedly lost Harold in an accident. He survived, and pretended to be dead to keep Grace safe ("No Good Deed").

Grace is working as a cover illustrator for The Boroughs magazine. She keeps a photograph of herself and Harold in her living room unaware that he is watching her from afar in order to protect her from the people protecting the machine. It is implied that, even though her work as a non-digital illustrator is falling out of practice in modern culture, Harold has been assuring that she will always have work through his many business connections ("No Good Deed").

In 2010, Finch proposed to Grace. He later tells Ingram about it, as well ("Zero Day"). After the bombing that killed Ingram and injured Finch, Grace comes to the hospital looking for him. Finch realizes that if the government finds out that Finch is alive, they will kill him and Grace, as well. Concerned for Grace's safety, Finch hides and leaves the hospital, while Grace finds a book that Finch gave her during his proposal, and cries ("God Mode").

In 2013, Grace is chased by Decima Technologies in order to get at Finch. She is eventually captured and traded for Finch. During the trade, Grace stumbles and is caught by Finch, but because she's blindfolded, remains unaware of just who helped her. She later leaves for a new life in Italy arranged by Finch. ("Beta")

In 2016, the Machine simulated that in a world where it never existed, Finch would've never met Grace. (".exe")

In 2016, after Samaritan is destroyed, Finch tracks Grace down in Italy where she is painting in a public location. Grace is shocked to see Finch but visibly pleased. ("return 0")

Nathan Ingram[edit]

Nathan C. Ingram (played by Brett Cullen) is Harold Finch's deceased collaborator and business partner who co-created the Machine, and died under circumstances not known until "God Mode". Ingram is the founder of IFT and acted as the interface between the government and their company while the Machine was under development.

Ingram was born on June 16, 1962, in Freeport, Texas. He enrolled at the Massachusetts Institute of Technology (MIT) in 1980 and left with an incomplete Bachelor of Science degree in computer science in 1983 ("The High Road").

He founded his company in 1983 ("The High Road") along with his best friend and MIT classmate Harold Finch (known to him as Harold Wren), who disguised himself as an ordinary employee ("Ghosts").

At some point, Ingram gave Finch a photo of their younger selves, and wrote "In the beginning... —N.I." on its back. Finch kept the photo in a copy of Arthur Koestler's The Ghost in the Machine ("Number Crunch").

On September 11, Ingram visits Finch while he is working on a new program, in order to break the tragic news of the terrorist attack on the World Trade Center earlier that day. As they both watch the news in shock, Ingram tells Finch that while they have changed as they aged, the world has not until this moment. Ingram proposes that they try to change the world for the better ("One Percent").

Ingram at some point made contact with the U.S. Government to build the Machine. Ingram acted as the public face of IFT and was the man with whom the government dealt, keeping up the facade that he alone was building the Machine, while in fact, Finch covertly began building it. While the government suspected someone other than Ingram was working on it, Finch was able to keep in hiding and they did not find proof ("Ghosts").

On June 10, 2002, following another ceremony, and after dismissing half of his company's staff, Ingram arrived at an abandoned office floor in the building, and discovered Finch's progress with the Machine. Supplied with the feeds from the NSA, the Machine could track and listen to all the citizens of New York. Finch told Ingram the next step would be teaching the Machine to pick out the terrorists from the general population ("Ghosts").

Ingram and his wife Olivia were in the process of getting separated and Nathan was upset about his wife extending the trial separation. He kept on working as that was the only thing that took his mind off of his marital situation. When Finch demonstrates the latest progress with the Machine, Nathan remains a skeptic, until he learns that the Machine had been well aware of his romantic encounter with a student named Molly Cole on May 7, 2004 ("The High Road").

Ingram met with Alicia Corwin, a government worker who supplied the Machine's various feeds. Corwin requested information regarding the progress of the Machine, and Ingram handed her the Social Security number of a DIA agent. The agent was later found to have been in collusion with the Iranian government to sell weapons-grade uranium. After meeting with Denton Weeks to discuss the fact that the Machine could not track specific people, Weeks threatened to reduce the payment for the Machine. He was dismayed to find that Ingram was providing it for a minuscule one US dollar. Ingram later celebrated with Finch about the Machine's success in discovering a traitor and got a closer look at how the Machine operated. It was at this time that the Machine considered Ingram as the subject of a potential threat ("Super").

Ingram and Olivia separated after she could not take his lies anymore. He admitted to Finch while meeting in a restaurant that he does not even remember all of the lies he has told her. He warns Finch that the truth always catches up to people ("Til Death").

Ingram learns of the Machine's programming to ignore any "irrelevant" crimes; any attacks of a smaller scale than those that present a threat to the nation. Every night at midnight, the Machine would erase the list of potential crimes. Clearly disturbed by this piece of information, Ingram stood by as Finch stated that the Machine was not built to save "someone", but rather "everyone" ("Ghosts").

Ingram came to realize that the people who were to receive the Machine were not entirely trustworthy. During a meeting with Alicia Corwin, he accidentally let slip that eight people knew about the Machine rather than seven. Later, he tried to convince Finch to make a back door into the machine, only for Finch to refuse. Just prior to shipping the Machine, Ingram used his administrative access to install a new function named "contingency". After creating the back door, the Machine was relocated to its new home ("No Good Deed").

After the Machine is shipped out on a freight train, Ingram meets with Finch in their now empty laboratory. Finch tells him that he has been thinking about Ingram's desire to help people, and proposes they use their wealth to invest in new projects, such as clean water initiatives and sustainable farming. Ingram retorts that they built the "single most powerful technology known to man, a machine that knows when someone needs help, and you just gave it away." He tells him that they had their chance to help people and they missed it. Finch replies that "we built it, and it saves lives". Ingram argues that it does not save enough lives, and Finch responds that the machine is gone. Ingram implies he built a back door into it, which angers Finch as they had agreed not to. He tells Ingram that they agreed not to play God, but Ingram reveals that he is not proud of that agreement. Finch argues that they did what they set out to do, and that "either we move onto the next thing together, or we don't" ("One Percent").

Ingram leaves the meeting and the Machine sends him the number of a woman named Anna Sanders. Ingram researches and follows her, discovering that she has a restraining order out against her ex-boyfriend because of domestic violence. While watching her from his car one night, he sees a suspicious looking man with a hood and hat concealing his face. Ingram pulls out a pistol and gets ready to follow them ("One Percent").

In 2010, Finch confronts Ingram about the Contingency, and once again tells him that they can not be playing God. He shuts down the back door and lets the irrelevant list be deleted. Later, they agree to meet up on a ferry. Unknown to them, government assassin Hersh has brought in a terrorist named Asif, who is a suicide bomber. He has explosives in his van, and as Ingram greets Finch, the bombs detonate, killing Ingram and severely injuring Finch, which is the reason behind his present-day injuries that force him to limp and make him unable to turn his head. Finch goes to access the irrelevant list and is horrified to find that Nathan was part of it. He begins to consider that his friend's idea was not so crazy after all, and reopens the back door that allows him access to the irrelevant list ("God Mode").

Will Ingram[edit]

William "Will" Ingram (played by Michael Stahl-David) is Nathan Ingram's son. After his father's death, Will began to delve into what kind of work his father was working on.

In 2012, Will was bailed out of jail by Finch due to Will's underground gambling activities. He returned to the loft that he shared with his father and prepared to send some of his father's things to storage. During this time, Reese began to take an interest in him and assigned Detective Fusco to gather information on both Finch and Will.

Later, Will began to go through some documents, including some involving an audit his lawyers had done after he inherited his share of IFT. He discovered that there was an account for services that amounted to only one U.S. dollar, as well as the fact that the employees were given severance. Finch lied and claimed to have no knowledge of the situation ("Legacy").

Will began to investigate further, and managed to unearth the name of Alicia Corwin, an employee of the White House who dealt with his father. He also found a note attached to a champagne bottle mentioning the Machine. When he told this to Finch, Finch continued to feign ignorance and secretly cloned his phone.

Will met with Corwin outdoors and asked her about the Machine as well as the one dollar transaction. She claimed that IFT was on the verge of bankruptcy and that Corwin struck a deal for Ingram's patents. Upon her telling him to let it go, he claimed she sounded just like his "Uncle Harold". Spooked, she ended the meeting and fled.

Unsatisfied with what he found, Will got an offer to work in Sudan to continue his health services. Accepting, he bade farewell to Finch and left ("Wolf and Cub").

Taylor Carter[edit]

Taylor Carter (played by Kwoade Cross) is Detective Joss Carter's teenaged son, he was kidnapped by Carl Elias after his mom started an investigation into him but was later freed by John Reese. He was sent away to live with his father when his mom decided to go after the HR organization.

Lee Fusco[edit]

Lee Fusco (played by Sean McCarthy) is Detective Lionel Fusco's son, he was held hostage by HR when Fusco refused to say where Carter and Reese (who had kidnapped the head of HR) were. Sameen Shaw managed to save him in time but had to sacrifice saving Fusco, but he had luckily managed to get free by himself.

Persons of Interest[edit]

The following list of people who were in danger and helped out by team machine.

Zoe Morgan[edit]

Zoe Morgan (played by Paige Turco) is a fixer who specializes in crisis management and a possible love interest of John Reese, whom Reese and Finch helped save as The Machine gave them her number. She returns the favor by helping them out with persons of interest that require her skills.[11][12][13][14][15][16]

Morgan grew up in a nice house in Yonkers, New York. Her father was a city official who got ensnared in a corruption case. The press camped out on her lawn for weeks, only dispersing when a man the party had sent to "fix" things showed up. This was what prompted her to become a fixer. She spent the rest of her childhood in a small apartment in Queens with her mother.

When Zoe's number came up, Reese took a job as her driver to investigate. Zoe was hired by Mark Lawson, the CFO of Virtanen Pharmaceuticals, to retrieve an incriminating recording, purportedly revealing an affair. When she returned it to his men, they attempted to kill her, but she was saved by Reese's intervention.

Using her own sources, independent of Reese and Finch, Zoe figured out that the woman in the recording was Dana Miller, a former employee of Virtanen, who was going to blow the whistle about one of their drugs and was killed for her trouble. She chose to take down Virtanen with her information because she knew a girl once whose situation "kind of reminds [her] of Dana" (and only partially because they tried to kill her).

When she and Reese were captured, Zoe appeared to betray him with a kiss, but used the opportunity to slip him a paper clip so that he could escape his handcuffs. She led Mark Lawson to a navy yard, but he figured out that she had never really sent the recording to anyone else. Before he could do anything with this information, Reese showed up to rescue Zoe.

She gave Virtanen's competitor Beecher Pharmaceuticals a tip about the drug, then donated a large sum of the money she earned to Dana Miller's family for their lawsuit against Virtanen.[17]

Zoe helps Reese and Finch again when Finch calls upon her to help him solve a case. She helps Finch and Reese clear the name of a man framed for murder. At the end of the episode, she sees Mr. Reese briefly and flirtatiously suggests he might consider buying her a drink as payment for her services.[18]

She later comes to the rescue again while investigating a hit on a professional therapist through HR, but too late. She is the one who discovers that the therapist, Caroline Turing, is really "Root," and therefore the perpetrator, framing herself as the victim. She tells Finch to be careful because she would hate if anything happened to their "mutual friend", Mr. Reese.

After Finch is rescued from Root, Zoe once again assists Reese with his latest person of interest, Maxine Angelis, by posing to be one of John's ex-girlfriends. Maxine recognizes her and commented that every reporter in town would love to interview her. Maxine later had John call her in regards to finding out who the head of HR is and gave them information on two former Federal Bureau of Investigation (FBI) agents who are working for him.[19]

Zoe is called upon again, but this time to pose as John's wife while living in the suburbs. While "married" to John they played poker and kept an eye on Graham Wyler.[20]

After Zoe helps John and Harold spot an assassin targeting a maid in a hotel and the danger has ended, John invites Zoe to stay with him in the penthouse suite as Harold has bought the hotel and they can spend some time together.[21]

Leon Tao[edit]

Leon Tao (Ken Leung) is a former forensic accountant and financial criminal, as well as a three-time person of interest, who has assisted Reese and Finch in some cases. Leon was targeted to die by the Aryan Brotherhood and the Russian Mafia and is saved both times by the timely intervention of Reese and Finch. Tao returns the favor by helping them out with persons of interest that require his skills.

After receiving a Master of Business Administration from New York University, Tao began working as an accountant at the firm of Bear Stearns, until he was downsized when the firm was sold to JPMorgan Chase when the recession hit. He then took a job at what he believed was a small start-up business, which was in fact the corporate arm of the Aryan Brotherhood, and he was laundering money from their methamphetamine sales.

The Machine produced his number after he stole eight million dollars from his employers and lost a large portion of it in the stock market. It is hard to say how much he actually lost, as he repeatedly lied about the actual amount. Tao took one million in bearer bonds and attempted to run away. He was captured by operatives of the Aryan Brotherhood, but Reese helped him escape ("The Contingency").

Tao's number came up again after he got involved in gold farming and subsequently found himself in trouble with the Russian Mafia. Reese took care of the assailants after they threw Tao through a window. Tao was then blindfolded and brought to the Library, because Reese did not know how else to protect him while he and Finch were out saving another number.

Tao eventually made himself useful by helping Finch track down the people threatening Madeleine. He also made friends with Bear by sharing a bowl of instant noodles with him. After he successfully assisted Finch and Reese, he told them that he was not the kind of guy to let them down ("Critical").

Tao posed as an emergency medical technician to help Finch and Reese "abduct" Sameen Shaw after she was supposedly murdered by Hersh ("Relevance").

Harper Rose[edit]

Harper Rose (played by Annie Ilonzeh) a drifter and opportunistic con artist who first appears as a person of interest when she tries to independently double-cross both a drug cartel and The Brotherhood. At the end of the episode "Skip", it is revealed that The Machine is starting to anonymously use her as an asset. In "Synecdoche", it's revealed that Harper has become part of a second team working for the Machine in Washington, D.C. with former persons of interest Joey Durban and Logan Pierce.

Caleb Phipps[edit]

Caleb Phipps (played by Luke Kleintank) is a computer genius, and an irrelevant number in Season 2, who helps team machine in Season 4.

Logan Pierce[edit]

Logan Pierce (played by Jimmi Simpson) is an eccentric genius and billionaire who created a social networking site called Friendsczar. In season 2 he is an irrelevant number, whom Reese is trying to protect from a potential threat. After the threat is neutralized he remains as person of interest and eventually goes on to work for The Machine in season 5 with a new team of former persons of interests, Joey Durban and Harper Rose.

Organised Crime figures[edit]

Carl Elias[edit]

Carl G. Elias (played by Enrico Colantoni), also known as Charlie Burton, is a nascent crime boss and the illegitimate son of Mafia don Gianni Moretti. Elias is determined to revive the crime families of New York City and to eliminate the Russian mob, with the assistance of HR.

In 1981, a young Carl Elias was implied to have been living with a foster family. He was being treated for wounds sustained during a fight which broke out after he was called a bastard due to his lack of a father. He asked his foster mother if she was willing to help him research his father, but she asked him to let it go ("Flesh and Blood").

In 1991, Elias formally met his father, Don Gianni Moretti, at a restaurant. Moretti recognized his son and promised Elias a place in his organization as long as he remained loyal, tenacious, and capable.

Later, Elias found out that Moretti double-crossed him and had ordered his execution. Before he could be executed, Elias fought back. He managed to kill his executioners and escape, though he sustained a wound which later scarred his hands after grabbing razor wire meant for his throat.[22]

Elias first showed up on Reese and Finch's radar when he had Sam Latimer have his men, including an undercover John Reese, retrieve a file titled "Elias, M." Latimer delivered the file to him, but to cover his trail, Elias had him killed and fled.[23]

After Elias acquired the file, he found the name of the man who killed his mother and sought revenge on Vincent DeLuca. Elias went to Vincent's house and stabbed him to death with the same knife he used to kill Elias' mother, Marlene Elias. Later when Elias realized that the detective investigating the case was on his trail, he went to retired detective Bernie Sullivan's house and killed him. Unfortunately for Elias, Detective Carter was on her way, and a shootout occurred where Elias' blood was left at the scene.[24]

Reese came into direct contact with Elias for the first time while Elias was pretending to be Charlie Burton, a school teacher trying to avoid getting killed by a rival Russian crime family. Although Elias was to be murdered, Reese was unaware that Elias was a murderer himself. He and Reese became friends while trying to escape from the men that were after Elias. When Reese and Elias succeeded, Elias turned on Reese. Elias captured one of the sons of the rival family that was after him and shot him in the leg. He then forced Reese to tie himself up and left the scene. He was later seen escaping with his men as he expressed his goal to reunite the five crime families of New York City.[25]()

Elias was a main suspect when Detective Carter's number came in from the Machine. It was revealed he was indirectly involved by hiring her confidential informant to complete the hit. Elias left a vase of flowers on Carter's desk with a message mourning her loss and stole a file marked Elias from her desk.[26]

Carl Elias resurfaced after Reese called him using a phone left in a trash can by Anthony "Scarface" Marconi who was impersonating a police officer.[27]

Upon his father's release from prison, Elias ordered some of his men to kidnap his father. His plan failed when Carter and Reese intervened and took Moretti into protective custody. Reese later called Elias, requesting his help to find a child kidnapped by an Eastern European gang. Elias agreed to help but threatened the child himself once Reese had found her. Reese was forced to give up Moretti's location in exchange for the child's life, and Elias let them both go. Although Reese tried to save Moretti, Elias succeeded in capturing his father.[28]

Elias's plan to unite the five families required him to kill the five Dons. He recruited HR, a cabal of corrupt cops, and used them to help him take down the Dons. After killing one Don with a car bomb planted by Scarface and gunning one Don down in front of Carter, Detectives Carter and Fusco took the remaining three into protective custody, barely escaping Elias's men. Elias then personally went to where they were hiding out with some HR cops and ordered the kidnapping of Taylor Carter. He was unaware however, that Harold Finch had shown Officer Simmons, an HR cop, photos of Elias's men watching the families of HR cops. The HR cops severed their ties with Elias and several clean police officers came to the hideout. Carl Elias was forced to surrender.

After being processed and put in jail, Elias made one final phone call to Gianni Moretti, telling his father he wished he could be there to see. Moretti's car was then blown up by Scarface, killing Moretti and his legitimate son Gianni Moretti, Jr. Elias hung up the phone with a slight grin.[29]

Several weeks later, Elias received a visit from Finch who asked for his help in one of their cases involving several mafia groups and hit men. Being thankful that Finch and Reese had saved his life, Elias took advantage of his power even from behind bars and helped them. In return, he asked Finch to play chess with him.[30]

After several more weeks of living at Rikers Island, Elias noticed that Reese had been arrested on suspicion of being "The Man in the Suit". He told Reese that he knew all about FBI's investigation and that he would help Reese in any way that he could. When Reese is dumped into the general population in an attempt to get him to reveal his true identity, he is attacked by an inmate and because Reese could not fight back, Elias broke up the fight.[31]

When HR attempts to have the Russians kill Elias, Carter rescues him from the trap and helps him to a secure location. She keeps his presence quiet as she goes to him for information. Elias helps Carter take down HR by setting the Russians against the dirty cops, but she rejects his offer to just kill everyone for her. After Carter is murdered by Simmons, Elias pays the debt by having Simmons executed in his hospital bed as he watches.

Throughout season 4, Elias is at war with Dominic Cordell and the Brotherhood. Due to their own war with Samaritan, the Team is unable to help him much and his best friend Anthony dies. Elias is later captured by the Brotherhood along with Reese, Fusco and Harper Rose. Fusco is able to escape, but Dominic prepares to execute Elias and Harper. Elias is saved when the Machine puts Reese into God Mode, enabling him to escape and take down the Brotherhood. The Brotherhood and Elias are arrested by officers led by Fusco, but one of Elias' men intercepts his transport van and attempts to help him escape. A standoff ensues with Dominic that ends with him surrendering to Fusco moments before both Dominic and Elias are shot by a Samaritan sniper as part of the Correction, killing Dominic and leaving Elias' fate unknown.

In "B.S.O.D." its stated that Elias is dead. In "ShotSeeker", Elias' old friend Bruce Moran attempts to avenge him only to learn that Elias is still alive. Elias is revealed to be recovering at Finch's safe house where Fusco took him after saving his life. The bedridden Elias, now aware of at least Samaritan, attempts to convince Moran to go back into hiding but Moran refuses.

Over the following episodes, Elias continues to recover from his wounds, appearing to all the world like he is dead. In "Reassortment", after learning of Bruce Moran's death, Elias supplies Fusco with a lead on a case he is working. He is later confronted by Finch for his actions and tells Finch he needs to let Fusco in on the truth. In "Sotto Voce", Finch enlists Elias' help to track down the elusive criminal mastermind known as "the Voice." Elias agrees to help in exchange for going along as protection as the Team are the only friends he has left. With Elias' help, Finch tracks down "the Voice's" hideout only to learn that he's their person of interest, Terry Easton. As Easton holds a gun on Finch, Elias intervenes and threatens Easton into backing down. The two men allow Easton to drive away before Elias detonates a bomb on Easton's getaway car, killing him. Elias then implies that Finch brought him along to kill Easton as he had to know what Elias would do.

In "The Day the World Went Away", Finch's cover is blown and Elias offers to protect him while the Team goes on the offensive against Samaritan. Elias takes Finch to the apartment buildings Reese protected him in when they first met and the two reminisce. However, Samaritan figures out where they are and sends agents. With the help of Elias' men stationed through the building, the two escape outside where they find Elias' driver has been murdered. Moments later, Elias is shot in the head and killed by a Samaritan agent as he attempts to protect Finch. After being called to the scene of Elias' death, Reese removes Elias' glasses and closes his eyes as a sign of respect towards Elias. He is then approached by a gang member with information on the car that took Finch as the gang member respected Elias and Elias respected Finch. The information Reese is given enables Root and Shaw to rescue Finch.

Anthony Marconi[edit]

Anthony S. "Scarface" Marconi (played by David Valcin) is a member of Elias's mob group, and is his second-in-command and principal enforcer. He is also informally known as Scarface due to an easily identifiable scar on his right cheek coupled with the fact that his name is never mentioned by any of the characters in any episode he appears in. Marconi is mistaken by many to be a HR officer. He actually only works for Elias, and his police jacket is a disguise.

When his boss, Carl Elias, was on the run from a rival mob (the Yogorovs led by Ivan Yogorov) Marconi disguised himself as a police officer. While he gathered information on his boss' whereabouts, Harold Finch became suspicious of him and started following him, thinking that he might actually be Elias.

When Elias had finally escaped the Russian mob with the help of John Reese, Marconi rendezvoused with his boss by knocking out Fusco who was waiting to intercept Reese and Elias. Later, Marconi killed Ivan Yogorov and was with Elias as he expressed his desire to reunite the five families.[32]

Marconi resurfaced by again impersonating a police officer and dropping a burner phone in a trash can for Reese and Carter to find. Marconi also killed a corrupt Security and Exchange Commission investigator who he'd taken into "custody".[33]

Marconi was present when Reese met with Elias in order to get information on a kidnapper who had taken a baby. Elias agreed to help and had Marconi escort Reese to the location where the baby would be offloaded to be shipped to Eastern Europe. After Reese rescued the child, Marconi ambushed him and brought him back to Elias. Marconi personally took the child to Elias for use as leverage to get the location of Gianni Moretti from Reese. Marconi then severely injured Moretti's police guard Bill Szymanski and took Moretti captive.[34]

Marconi was responsible for a car bomb that killed one of the five dons of the New York crime families in plain view of Reese. He later informed Elias that the remaining Dons had been taken into protective custody by Detectives Carter and Fusco. Marconi then kidnapped Carter's son Taylor from school on Elias's orders; shooting it out with Reese before escaping with Taylor captive. Marconi again fought with Reese during Reese's rescue attempt of Taylor and successfully escaped once more, though both Taylor and Moretti were rescued.

Despite his employer now being imprisoned, Marconi continued his duties and planted a bomb in a car that killed both Gianni Moretti and his legitimate son Gianni Moretti, Jr.[35]

Simmons and Fusco later met with Marconi to have him get Elias to bring back HR; however, Marconi told them in order for that to happen they had to bring Elias the last of the original dons. Despite attempts to capture the last don, the remaining members of HR failed to do this since the don was now working with Elias.[36]

Later in the series, he is captured, along with Elias, by Dominic ("Mini") Besson, the leader of a rival gang trying to gain control, who has killed or turned several of Elias's men and now demands the combination for a vault in Bruce Moran's office. After cautioning Dominic's second-in-command about the ability to remain in stable power and trust Dominic, he watches on as Dominic relays the numbers (which were told to him by Elias) and as Link's man opens the vault, which then triggers an explosion that blows up the entire floor they are on, killing Marconi in the process. Dominic and his second-in-command escape, but lose some of their men in the process. Later, when Elias is again captured by Dominic, to avenge Scarface's death, he plays a mind-game with Dominic to get him to believe his #2, Link, has betrayed him. Dominic kills Link before he realizes it was a trick.

Bruce Moran[edit]

Bruce Moran (played by James LeGros) Elias' accountant and close friend of both him and Anthony Marconi from boyhood. He is eventually killed by Samaritan agents and discovered by Fusco in a dumping ground for Samaritan victims.

Gianni Moretti[edit]

Don Gianni F. Moretti, Sr. (played by Mark Margolis) was a mob boss who was a father to both Gianni Moretti Jr. and Carl Elias. As Elias was born out of wedlock and during an affair Moretti Sr. denied he existed and even tried to have him killed when he was sought out by his illegitimate son. He was killed along with Moretti Jr. in a car bomb set of by Elias's main enforcer Anthony Marconi (a.k.a. Scarface).

Peter Yogorov[edit]

Peter I. Yogorov (Played by Morgan Spector) is the leader of Russian Mafia, who in the first 3 seasons was Elias's main enemy. The Russian Mafia was originally run by Ivan Yogorov, Peter's father, until he was killed by, Elias's enforcer, Anthony Marconi so that Elias could take over Brighton Beach. Peter was freed from Prison by HR but also has a brother, Laszlo Yogorov, who is currently still incarcerated at Rikers Island.

The Brotherhood[edit]

The following characters are involved in the Brotherhood drug gang storyline:

Dominic Besson[edit]

Dominic Besson (played by Winston Duke) also known as "Mini" (as he is quite big) is leader of the Brotherhood. When he was first introduced he was hiding as his own lackey to prove that people underestimate him. He soon becomes Carl Elias's main enemy. After Reese defeats the Brotherhood using God Mode, Dominic is arrested by Fusco and the NYPD. He is later killed by a Samaritan sniper as part of the Correction.

Link Cordell[edit]

Lincoln "Link" Cordell (played by Jamie Hector) a violent gang member who acts as Dominic's right-hand-man. He was at one point arrested by Detective John Riley (Reese's new cover identity) but Dominic paid for someone to take the fall for Link and he is released


Floyd (played by Jessica Pimentel), another of Dominic's higher-ups, often appearing in place of Link. It is assumed that she is arrested with the remaining Brotherhood members by Detective Lionel Fusco and the rest of NYPD.

New York City Police Department[edit]

Cal Beecher[edit]

New York City Police Department Narcotics Detective Calvin T. Beecher (played by Sterling K. Brown) is a narcotics detective who works at Carter's precinct, whom Carter has begun a relationship with.

He helps Carter with the Drakes case ("Til Death"). He later asks Carter out on a date when she says that she owes him a favor for helping her with the case. She agrees to go out with him.

Beecher is Alonzo Quinn's godson and gives his godfather information ("Shadow Box"). It is unknown if Beecher is aware of Quinn's activities.

Later, when Carter receives a job offer with the FBI pending a polygraph, she is turned down because of her relationship with Beecher. The FBI tells her that Beecher is currently under investigation ("Booked Solid").

In "Trojan Horse", it is revealed that Beecher is the godson of HR leader Alonzo Quinn. Realizing Beecher knows too much about his involvement in HR, Quinn orders his godson killed. He chases after some drug dealers, only to be led into a trap, and then a shootout involving him and some HR men. The Machine produces Beecher's number too late, and he is killed within the shooting. Carter arrives at the scene and is severely devastated to find her friend dead, especially as Fusco cleared him of any involvement in Bill Szymanski's death.

Following Beecher's murder, part of Carter's motivation for taking down HR is revenge. In "Endgame", with the help of Finch, Carter is able to record Alonzo Quinn confessing to ordering Beecher's murder and he is arrested for it along with all of his other crimes.

Bill Szymanski[edit]

New York City Police Department Detective Bill Szymanski (played by Michael McGlone) is a police detective in the organized crime division at NYPD 8th Precinct who assisted Carter with a mob murder committed by Carl Elias ("Witness", "Baby Blue").

He is an honest cop, that Carter entrusted with the job of guarding Gianni Moretti, Elias' father. Ultimately, Reese had to reveal Moretti's location to Elias in order to save a person of interest, and Szymanski was severely injured in the line of duty and taken to the hospital. Fortunately, he survived ("Baby Blue", "Identity Crisis").

Szymanski fully recovered and went back to active duty where he worked on the investigation of the murder of George Massey's son, who was killed by Riley Cavanaugh ("Triggerman").

Later, Szymanski and the assistant district attorney are meeting with Alonzo Quinn about testifying against the Yogorov mob family. Since HR is in ties with the Yogorovs, Quinn kills Szymanski and the ADA in order to keep them from testifying ("All In").

In a simulated world where the Machine never existed, Szymanski is still alive and a part of the NYPD's Homicide Task Force.


New York City Police Department Homicide Detective Kane (played by Anthony Mangano) is a police detective who sometimes shares his cases with Carter.

Dani Silva[edit]

New York City Police Department Detective Dani Silva was an Internal Affairs Division detective who was undercover trying to find a mole in the NYPD Cadet program when her number as a Person of Interest came up, she found the mole but was framed for her handlers murder at the hands of criminal gang called The brotherhood. After clearing her name with the help of Reese. She later transferred into the Gang Division not long after being exonerated, where she crossed paths with Detective Fusco who was monitoring a Person of Interest.


The following characters are involved in the HR storyline, in which a group of corrupt police officers work in collaboration with an up-and-coming mob boss to control organized crime in New York.

Alonzo Quinn[edit]

Alonzo D. Quinn (played by Clarke Peters) is a political adviser for New York City councilman and mayoral candidate Ed Griffin (Richard V. Licata) and the leader of HR. Quinn's leadership is subtle enough that even Harold Finch only suspects that HR still has someone in charge.

With many of his subordinates arrested by the FBI, Quinn tricks a local reporter, Maxine Angelis, into thinking that Christopher Zambrano is the head of HR. This results in Zambrano's death and Angelis' career destroyed. Quinn however leads his candidate Ed Griffin to an even greater victory by framing Landon Walker as the leader of HR and restoring Angelis' career in the process ("Bury the Lede").

After the political victory, Quinn becomes Ed Griffin's chief of staff in the Mayor's Office. Quinn later asks his number two man, Patrick Simmons, to try and reforge HR's alliance with Elias by giving them mafia don Luciano Grifoni. This, however does not go as planned when it turns out Grifoni is working with Elias now and has one of his new subordinates killed declaring that Elias is done with HR ("C.O.D.").

Quinn starts talking to his godson Detective Cal Beecher for some information with Patrick Simmons guarding him. Quinn meets with Simmons to inform him of his plans to make an alliance with Russian mobster Peter Yogorov. Since Elias refuses to work with them, Quinn decides to strike a deal with the Russian Mafia in order to secure funds for the rebuilding of HR ("Shadow Box").

Patrick Simmons[edit]

New York City Police Department Officer Patrick M. Simmons (Robert John Burke) is a uniformed officer who is the right-hand man to Quinn; he handles HR activities on the street level ("C.O.D.").

Simmons was an old friend of Detective Fusco, and in collusion with Elias until learning from Finch that HR families were under Elias' surveillance. He also periodically meets with Fusco ("Flesh and Blood") and blackmails Fusco into working with HR ("Firewall"). Simmons has also given an anonymous tip to Detective Carter that another cop murdered Internal Affairs officer Ian Davidson, also an HR cop, as to increase the pressure on Fusco.

He is later strangled to death by Scarface, as Elias watches on. ("The Devil's Share")

Artie Lynch[edit]

New York City Police Department Captain Arthur 'Artie' Lynch (played by Michael Mulheren) was a major figure in HR with whom Fusco must appear to be working. Reese forced Lynch to deliver a message to Elias to "back away from Carter or else Reese would kill him" ("Get Carter").

A man named Andre Wilcox who was receiving protection for HR, not Elias, met with Lynch to arrange for the release of one of his men named Brick from jail. Despite being reluctant, Lynch agreed to do what Andre wanted. Lynch met with Captain Womack, the head of the precinct where Brick was being held, and told him to release Brick, which the captain did because he was a co-conspirator of Lynch ("Wolf and Cub").

Lynch is killed by Fusco when Lynch is about to kill Reese ("Matsya Nyaya").


New York City Police Department Captain P. Womack (played by John Fiore) is the captain in charge of Homicide and Carter and Fusco's supervisor. Womack protects members of HR when Carter gets too close. Reese blackmails him into transferring Fusco to Carter's precinct.

Despite first appearing in the background ("Cura Te Ipsum"), he did something of a more credited role in which he invited CIA agent Mark Snow, Tyrell Evans and Carter into his office to talk about Reese ("Number Crunch"). He appears to be a friend and known contact of Artie Lynch, when Lynch went to talk to him about doing something for him, meaning the captain is most likely corrupt. This is later confirmed when Womack is revealed to currently be incarcerated with other HR cops ("C.O.D.").

Raymond Terney[edit]

New York City Police Department Detective Raymond Terney (played by Al Sapienza) is a NYPD police detective who has been shown to work with Detective Carter on more than one occasion. He always seems to be very calm and polite.

He was investigating the murder of Vincent DeLuca, a former henchman of Don Gianni Moretti, Carl Elias' father ("The Fix").

Later, HR boss Alonzo Quinn is meeting with Detective Bill Szymanski. When he hears Szymanski say they're testifying against the Russian Yogorov mob family, Quinn kills him and the assistant district attorney to avoid it. Terney, now revealed to be part of HR, comes in, and Quinn tells him to shoot him in the right shoulder so he can survive, and make it look like someone shot all of them ("All In").

Later, Carter and Terney are investigating a place supposedly told to have been an HR hideout. Carter shoots an armed suspect, but someone takes the gun away in order to frame Carter. In the police station, Terney reveals his true colors and threatens to kill Carter if she meddles in their business ("Zero Day").

Terney and Peter Yogorov are preparing to kill Carl Elias in a dark forest. A masked Carter comes out and wounds Yogorov. Terney begs profusely for his life, and Carter knocks him out and rescues Elias ("God Mode").

Terney eventually finds out that Carter wants to take down HR when he discovers she turned Laskey. A shootout occurs, with Laskey dying instantly, and a dying Terney revealing to Carter that Alonzo Quinn is the head of HR ("The Perfect Mark").

Mike Laskey[edit]

Michael "Mike" Laskey, born Mikhail S. Lesnichy (played by Brian Wiles) is a rookie cop affiliated with HR who is installed as Carter's new partner after she is demoted to officer for getting too close to HR. She turns him by threatening to frame him for the death of another dirty cop. While initially only helping because he's forced to, Laskey comes to see the truth about HR and aids Carter and the Team in stopping a money laundering scheme. In "The Perfect Mark", Laskey follows Simmons around to try to identify the head of HR. He is killed in a shootout with Raymond Terney, but his pictures are used by Terney to identify the head of HR to Carter.

Federal Bureau of Investigation[edit]

The following characters are involved in the pursuit for "The man in the suit" story-line.

Nicholas Donnelly[edit]

Federal Bureau of Investigation (FBI) Special Agent Nicholas Donnelly (played by Brennan Brown) was a federal agent who becomes interested in Reese when one of his cases crosses one of Reese's. Donnelly's intent was to expose the CIA for their illegal actions and crimes and track down "The Man in the Suit". He periodically offers Carter the opportunity to work with him as he pursues Reese.

A native of Roanoke, Virginia, Donnelly studied Law at Northwestern University. In August 1998, he joined the FBI after graduating from the FBI Academy with honors. He began with the Miami, Florida field office in counter-terrorism until he distinguished himself as an investigator and became a highly sought-after agent. In subsequent years, he moved from Miami to Portland, Oregon in 2000, then to San Diego in 2003. He was promoted to supervisory special agent for the Boston Field Office in 2007 and worked there until 2011. He was then transferred to New York City ("Prisoner's Dilemma") . He first appears investigating Scott Powell for the murder of Congressman Michael Delancey. He first encounters The Man in the Suit when he breaks out Scott Powell from the FBI's custody. Although Powell was later proven innocent, Donnelly started suspecting Reese of being a mercenary ("Root Cause"). Donnelly believed that Reese was selling his services to the highest bidder and working for Elias ("Identity Crisis").

Donnelly informs Carter that the FBI has information about DNA that ties Reese to a case involving smugglers (Blue Code) and a cold case from 2011 in New Rochelle, New York. Donnelly invites Carter to assist on the investigation, and she accepts. In New Rochelle, he discovers the fact that the victim, Peter Arndt, was in debt to loan sharks, and he hypothesizes that the loan sharks had hired Reese to kill him ("Many Happy Returns").

Donnelly offers Carter a temporary role with the FBI when he finally manages to track Reese's phone to a bank. He tells her about his new theory that Reese is working for CIA Agent Snow and is receiving aid of some sort from China to help him further. He then makes his way to the bank with several armed FBI officers and Carter, and arrests four men wearing suits, one of them being Reese. When he asks Carter if she recognizes any of them as "the man in the suit", she tells him that she does not ("Shadow Box").

After getting Carter to interrogate the suspects, Donnelly finds out Carter was conspiring against him. He arrests Reese and Carter, planning on taking them to a safe house and incarcerating them shortly after. The Machine, however, identified him as a Person of Interest and informed Finch. Finch tried to warn Donnelly but was too late. Kara Stanton intercepted them, killing Donnelly and kidnapping Reese ("Prisoner's Dilemma").

After the events of "Dead Reckoning", Donnelly's former partner reveals to Carter that they have identified the "Man in the Suit" as Mark Snow, following his death at the hands of Kara Stanton ("Dead Reckoning").

Brian Moss[edit]

Federal Bureau of Investigation (FBI) Special Agent Brian Moss (platyed by Brian Hutchison) is an FBI Special Agent in charge (SAIC) of investigating the death of Nicholas Donnelly. He incorrectly came to the conclusion that Mark Snow was "the man in the suit". He then tried to recruit Carter to the FBI but had to reject her due to her relationship to Calvin Beecher, who was under investigation at the time for his involvement with HR. He later appears in "Proteus" to bring Carter a series of missing persons files she requested which, unknown to him, were the victims of an identity-stealing serial killer.

The Government[edit]

The following characters are tied to a government conspiracy related to the development and use of the Machine.

Alicia Corwin[edit]

Alicia M. Corwin (played by Elizabeth Marvel) is a liaison between Ingram and the government while the Machine was being developed. She was the deputy Assistant to the President for National Security Affairs (APNSA) and as a former member, she is one of the few to know of the Machine's existence.

Corwin met with Nathan Ingram to determine the progress of the Machine. Ingram gave her a social security number associated with a DIA agent.

Later, she introduced Ingram to Denton Weeks who told Ingram that the DIA agent was found to be a traitor. Weeks was curious as to how the Machine actually worked, and was unhappy when he was told that the Machine could not be used to track specific people. He threatened to reduce the payment for the Machine, but Corwin explained to him that Ingram was building it merely for one US dollar ("Super").

Alicia met with Nathan in a bar to discuss the transfer of the Machine to its new location. They discussed dissemination and she assured him that nobody would be able to track the data back to the Machine or to Ingram. Yet she was visibly shaken and told Nathan that she was happy to return to her day job once everything related to the Machine was settled ("No Good Deed").

Corwin was in Morocco, where she met with CIA agents Mark Snow, John Reese and Kara Stanton. She gave Reese and Stanton orders to retrieve a stolen laptop with secret software from Ordos, China. In reality, whether she knew it or not, the whole operation was nothing more than a ruse to check and make sure that an advance team had eliminated all the software engineers related to The Machine as well as successfully moving the Machine to another location ("Matsya Nyaya").

After Ingram died, Corwin quit her job at the government and moved to Green Bank, a small town in West Virginia that does not have cell phones or wireless internet ("Wolf and Cub").

Will Ingram, eager to know what his father was working on before he died, tracked Alicia down and questioned her. During their conversation, Will referred to his "uncle Harold". Alicia seemed unnerved at the mention of his name and abruptly ended the conversation. She told Will nothing about her knowledge of the Machine ("Wolf and Cub").

Sometime after meeting with Will, Alicia was being contacted by a member of National Security Agency (NSA), Henry Peck who was being attacked by government assassins trying to silence him about The Machine. Peck called Alicia numerous times trying to get information about "the machine". Though they never met in person, Alicia spoke to Peck over the phone. Not answering any of his questions she only mentioned "Sibilance" and told him to "run". Apparently through following Peck, Alicia managed to listen in a conversation between Peck and Finch. She was visibly surprised when Finch told Peck that the machine existed and that he had built it ("No Good Deed").

Alicia succeeded in tracking down Harold and observed him leaving the Library. She broke into the building and discovered Finch's headquarters. Not realizing what exactly she was looking at, she seemed overwhelmed seeing the Irrelevant List ("Firewall").

Alicia finally found Finch in his car waiting to pick up John Reese and Caroline Turing. Climbing into his car and confronting him at gun point, she stated that Nathan was afraid and stressed about what they had built, and that he was killed by the machine. As guilt was starting to weigh down on her, she claimed she could feel it watching and listening to them at that moment. Alicia told Finch that she was tired of running.

Finch told her that she was not running from the machine, but she was running from people they had both trusted. Alicia said he was right, but that it was a good thing she found Finch first. Moments later, she was killed with a gunshot to the head by Root. She was later found dead at the meeting point by Reese ("Firewall").

Corwin's murder attracted much attention from different angles. Reese asked Carter and Fusco to look into the case and find out why Corwin was in New York ("The Contingency"). Mark Snow also began an independent investigation under the coercion of Kara Stanton. They all hit a dead end because at the same time Special Counsel and Denton Weeks conspired to corrupt the investigation when they feared that the investigation into Corwin's death might uncover their secret activities ("Bad Code"). Their fixer, Hersh, managed to clean up the majority of the evidence, except for a few objects Fusco removed from her apartment prior to his arrival. Hersh also removed a radio-frequency identification (RFID) chip from the right shoulder of Corwin's body that had been planted in her and could be the reason why she had been running and hiding ("Masquerade"). Special Counsel later receives a report stating that the chip was linked to Decima Technologies, the group that was trying to take control of the Machine. ("God Mode")

Denton Weeks[edit]

Denton L. Weeks (played by Cotter Smith) was the official who commissioned the development of the machine. He worked for the President for National Security Affairs (APNSA) and is Alicia Corwin's supervisor. He was one of the few people to know of the Machine's existence. He is in league with the Special Counsel.

At an unspecified point in time, Weeks was appointed head of a task force on Privacy and Information, reporting directly to the Chief of Staff. Prior to that promotion, he had already been working in corporate law for a decade as a member of the White House legal team and a specialist in security policy ("Bad Code").

Weeks and Corwin arrived unannounced at Nathan Ingram's office to question him about the Social Security number Ingram gave to Corwin in a previous meeting. Demanding an explanation how a computer program could spot a traitor when federal agents could not Weeks tried to gain more knowledge about how the machine worked. He appeared slightly agitated when Ingram did not answer his questions but had to put up with it when he was informed about the price negotiated for the project. He did not know that the Machine had already evaluated him as a possible threat. Finch later revealed to Ingram that Weeks had been unsuccessfully trying to hack into the Machine via NSA feeds for the past six months ("Super").

Following the murder of Alicia Corwin by Root, Weeks met with Special Counsel to discuss further steps. They just started to remove all evidence when Weeks received a message from his mistress about an emergency. Not knowing that Root had set it up to lure him to his getaway lodge, he drove there and got knocked out by Root with a sedative ("The Contingency"). Root then tortured him using Palestinian hanging, an enhanced interrogation technique that was once authorized in a top-secret Department of Defense memo by Weeks, trying to get him talking about the whereabouts of the Machine.

In a suitable moment when Root was away to gas up the car, Weeks recognized Finch and convinced him to help him escape. Weeks managed to free himself and attacked Root when she returned. He beat her up and then turned her gun on Finch threatening to shoot him unless he told him what he knew about how to access the Machine. Just as planned by Root, however, the gun did not fire and Root first tased Weeks and eventually killed him by shooting him in the chest ("Bad Code").

Special Counsel[edit]

Special Counsel (played by Jay O. Sanders) is a shadowy figure from the United States Office of Special Counsel and one of the original eight people who know about the Machine. He is in a position which is filled by Presidential appointment, followed by Congressional confirmation. He appears to be the one engineering the activity regarding the Machine, and sees Reese as a threat.

He sent out a team of hit men to assassinate Henry Peck after he came too close to finding out about the Machine ("No Good Deed").

After Alicia Corwin was murdered, he conspired with Denton Weeks and Hersh to cover-up the case and to make sure that there are no connections to them ("The Contingency"). When Weeks went missing, he sent Hersh to look for him, but Hersh only found him dead ("Bad Code").

He later sent Hersh to kill the "Man in the Suit" but redirected him to the FBI when it appears the FBI captured him. When asked about all four suspects, he tells Hersh to kill them all ("Prisoner's Dilemma").

After Hersh's failed attempt to kill The Man in the Suit at Rikers Penitentiary, he once again instructs Hersh to find Reese and kill him. This time, Hersh loses in a fist fight with Reese and after recovering in the hospital, Special Counsel calls him in for more important matters. He then begins drafting a letter with his new secretary, who is revealed to be Root ("Booked Solid").

In "God Mode", he arrives with Hersh and two other men to confront Finch about the Machine. Reese, Finch, Root, and Shaw leave, and someone calls Counsel. It comes from an unnamed woman who is at a higher rank than Special Counsel. Hersh takes the phone, and the woman orders him to seal the room. Hersh kills Special Counsel and leaves.


Hersh (played by Boris McGiver) was Special Counsel's enforcer and fixer in the clean-up of Alicia Corwin's murder. He also worked for Control, the head of the ISA.

After Alicia Corwin was found dead and the investigation was handed over to the NYPD 8th Precinct, Hersh was sent there to make sure that "the investigation is a dead end". He stole Corwin's case file and corrupted digital records as well as the ballistics report ("The Contingency").

To clean up loose ends, he went to her hotel room and collected personal effects and later gained access to the cold storage room at the morgue where Corwin's body had been examined to remove an RFID chip from under her skin ("Masquerade").

Parallel to corrupting the Corwin investigation, Special Counsel also sent Hersh to track down Denton Weeks, who had disappeared on private business and was later found dead after Root shot him ("Bad Code").

When Special Counsel learned of Reese's recent arrest, Special Counsel instructed him to kill him and the other three people arrested. Following the instruction, he pulled out a gun in front of a group of policemen and shot into the air several times. He was arrested and taken to Rikers Penitentiary where he managed to kill Brian Kelly, one of the four men who were arrested on suspicion of being "The Man in the Suit". He attempted to kill Reese too, but Elias stopped him before he had a chance to do so ("Prisoner's Dilemma").

Hersh is freed from Rikers and tracks Reese to a hotel when he saves the latest person of interest. Hersh and Reese engage in a brief fight with Reese defeating Hersh.

Hersh is then seen receiving a call from the Special Counsel telling him there is a situation in Washington, D.C. The Special Counsel then calls in his newly hired assistant Ms. May, who unknown to Special Counsel, is the hacker Root ("Booked Solid").

His next appearance is in New York, poisoning Sameen Shaw. However, with the help of Leon Tao, the team is able to fake her death ("Relevance").

Hersh leads the effort to prevent Decima Technologies from taking control of the Machine. He later confronts Finch, Reese, Shaw and Root at gunpoint in the Hanford Nuclear Reservation where the Machine had once been stored. After they leave, Hersh is ordered by Control to kill everyone in the room, including Special Counsel. He is also revealed to have orchestrated the ferry bombing that killed Nathan Ingram and left Finch with his permanent injuries. ("God Mode")

Hersh is later sent by Control to kill Root in a psychiatric hospital. With the help of the Machine, Root escapes and wounds Hersh but spares his life on orders from the Machine. ("Lady Killer")

After being exposed, Control calls in Hersh in her attempts to get either the Machine or Arthur Claypool's machine Samaritan. With the help of Root, the team escapes, but Hersh captures Root who is taken for torture by Control. Hersh then leads a SWAT team to the bank where Vigilance is trying to retrieve the Samaritan drives. When Peter Collier refuses to cooperate, Hersh and his team storm the bank, killing several Vigilance members before one blows himself up with a grenade, leaving Hersh's fate unknown. ("Alethia")

Hersh survives and is later tracked down by Shaw hunting another relevant number. Shaw drugs Hersh for information about why the government is after Owen Matthews and leaves him alive. Before she departs, Hersh asks if Shaw's new employers are treating her well, showing concern for Shaw who simply tells him that they haven't tried to kill her and leaves. ("4C")

After Vigilance abducts Control and several other important people, Hersh arrives at the hotel where he enters a standoff with Reese and Shaw. After Root tells them Hersh knows where to find Finch, Reese and Shaw convince him to work with them to save their respective bosses. Hersh then leads them to Decima's hideout only to find it empty and that Peter Collier is running a kangaroo court where everyone is on trial for their connection to the Machine. ("A House Divided")

After a brief gunfight with Decima operatives, Hersh, Reese and Shaw set out together to find the courthouse. When Shaw needs to get to Root fast, Hersh helps her steal a bike and continues on to a destination specified by Root. There, they meet up with Detective Fusco who brings them Bear and news of a Vigilance operative looting nearby stores. Hersh and Reese are able to trick the operative into giving them the courthouse location before turning him over to Fusco. Near the courthouse, they find a Vigilance guard post slaughtered and Finch testifying on TV about the history of the Machine. Finally reaching the courthouse, Hersh and Reese separate, acknowledging they will likely be enemies the next time they meet. In the basement, Hersh finds a bomb set to go off when the power is restored and sets to work disarming it, refusing help from Reese and telling him to focus on rescuing Finch. Hersh is severely wounded in a gunfight with Decima operatives, but continues his efforts to disarm the bomb. Before he can cut a last wire, the power comes back on and the bomb detonates, killing Hersh, the people kidnapped for the trial and the emergency responders.

The next day, Control receives Hersh's final autopsy report. During her voiceover, Root states that a lot of people who could've helped them against Samaritan will die as the report is shown, indicating Hersh to be one of those people. ("Deux Ex Machina")


Control (played by Camryn Manheim) is the head of the ISA's operation (code-named Northern Lights) regarding the Machine. She is a forty-year-old single mother with a ten-year-old daughter, Julia. Control is shrewd but ruthless and combat-minded. According to herself, until episode 12 of the fourth season, she has executed 854 individuals whom she suspected of being criminal threatening the national security. In case of the 854th individual, there was no evidence to prove free of reasonable doubt that he was engaged in bomb-making. She killed him anyway, simply because she had never absolved anyone before. Control personally tortured Root and rendered her deaf in one ear.

Devon Grice[edit]

Devon Grice (played by Nick Tarabay) is a Crimson 6 agent who was trained by Sameen Shaw herself when she was still working as an ISA operative. When they meet in New York whilst both on different ends of the same mission, Grice lets her live. But Samaritan has him killed for his betrayal.


Brooks is another Crimson 6 agent and Grice's partner.

The CIA[edit]

The following characters are part of Reese's back story relating to his time with the CIA.

Mark Snow[edit]

Mark Snow (played by Michael Kelly) is the alias of a CIA operative, partnered with Tyrell Evans and once worked with John Reese, and is now trying to find and kill him. He once claimed to be Reese's best friend ("Number Crunch").

In 2008, Snow was with CIA agents John Reese and Kara Stanton, operating in New York City. They had a government employee in their custody who had committed treason by attempting to sell some software to the Chinese. Positive they were not going to get a call regarding their prisoner, he allowed Reese to head out to the city for some rest ("Blue Code").

In 2010, Snow was in Morocco while Reese and Stanton were interrogating a suspect. Alongside Alicia Corwin, they gave orders to Reese and Stanton to go to Ordos to retrieve a laptop containing information pertaining to a computer virus that could disable nuclear programs. Snow had been ordered to tell both agents secretly that the other was compromised and retire each other. The plan, however, failed when Reese realized they'd been set up after Stanton shoots him, and tells him it was because he was compromised. Reese then tells her that he was ordered to do the same thing to her. They realize they were set up and escape just minutes before a gunship shelled their supposed extraction point ("Matsya Nyaya").

When Reese's fingerprints were run through the system after he is arrested, the CIA was alerted to the fact that Reese had survived the shelling in Ordos. Snow visited the precinct where Detective Carter worked and asked her a few questions about Reese. Both Snow and his partner began to follow her, but she eventually caught them. Snow had a talk with Carter at a diner afterwards in which he showed Carter that Reese was a cold blooded killer. He convinced her to set a trap to capture Reese, though his true intention was, in fact, to have him killed. However, the trap failed as his partner Evans went for non-lethal shots, allowing Reese to escape with the help of Carter to Finch's car ("Number Crunch").

In 2012, Snow, along with his CIA partner, initiated surveillance on Carter, believing she helped Reese escape. He constantly had operatives tailing her, though they were unable to track her effectively, and she managed to lose them. Later, he received information that Reese had escaped to northern Connecticut where his fingerprints were found on a prescription bottle at a veterinary clinic (planted by Lionel Fusco at Finch's request), and immediately left New York ("Super").

Snow eventually returned to New York and confronted Carter, who he was still suspicious of after realizing Reese was never in Connecticut. Later, Snow had to bail out a CIA operative known as L.O.S. who was selling drugs for the CIA in a scheme to fund the War on Terror. Bluntly telling L.O.S. that he warned him about getting caught "behind enemy lines", he had his head bagged and presumably killed in the back seat of an SUV ("Blue Code").

When the FBI established a task force to catch Reese, Special Agent Donnelly informed Carter that he did not just want to apprehend Reese, but also expose Snow and the CIA's illegal operations. He claimed that Snow was the man who swept the CIA's domestic operations under the rug ("Identity Crisis").

Unhappy with the FBI's investigation into Reese, Snow paid another visit to Carter with Evans and warned her not to cooperate with Agent Donnelly. The next day, he received some information supposedly regarding Reese from a North Korean contact who had aided a CIA agent who escaped from China. Both he and Evans entered a hotel room, but were ambushed by Stanton, who had also survived the Ordos shelling. Evans was killed, while Snow was wounded as Stanton approached him, wanting to "catch-up" ("Matsya Nyaya").

Following the ambush, Snow has been held captive by Stanton, who locked him up in a storage room and forced him to wear a bomb vest to prevent him from escaping. From time to time, he would be released to "run errands" for Stanton, presumably to help her find out who had set her up in the Ordos mission. While at the morgue looking into the Alicia Corwin case, Snow accidentally ran into Carter. He told her that he had been reassigned and was no longer trying to catch Reese. When Carter tried to call Snow's CIA phone, she was redirected to another man who appeared to be looking for Snow, too ("Masquerade").

Snow killed a janitor named Dusan Babic on Stanton's orders, so that he could use his ID to get into Fujima Techtronics. As he had no other way of communicating with her, Snow left Carter's card in the dead man's pocket with Fujima Techtronics address on it. Carter followed Snow's clues to Fujima Techtronics and saw him leaving the building. Carter followed and confronted him. Snow revealed that he is rigged with an explosive vest and tells Carter to tell John that, "she is planning something big" ("Critical").

Snow is present when Reese wakes up in the back of a moving bus after being kidnapped and drugged at the end of "Prisoner's Dilemma" by Stanton. He informs Reese that they are wearing similar bomb vests and that Stanton holds the trigger to both. Kara then sends them to perform a few tasks for her.

After retrieving the drive that Mark earlier stole from Fujima Techtronics Stanton sends them to steal the car of two Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) agents. Snow nearly kills one of the agents but is stopped by Reese. Snow and Reese then take the place of the two agents and enter an office building housing a secret DOD facility on the 21st floor. While going up the elevator Stanton informs them that they would be facing two Delta Force operatives with M4s. The doors open and Reese and Snow take out the two men and tie them up. One of them hits Snow and he prepares to kill the man, but Reese stops him again. Kara warns that there may be signal interference so she arms the bombs on a 15-minute timer.

Reese and Snow then enter an electronics lab and with the help of Kevin, a technician, prepare to download a computer virus. Reese tells Snow that Stanton cannot hear them in the lab and suggests that they do something. However Snow says that they do not have enough time. Reese upon Kevin's advice starts removing the drives to trigger a security breach, Snow discovers what Reese is doing and attacks him. The two engage in a vicious fist fight but Reese holds Snow off. Just then Stanton arrives and tells them that she only needed them to clear the way and uploads a malware on the DOD servers. She then triggers a five-minute timer on the bomb vests, locks them in the lab and leaves.

With the help of Kevin, Reese and Snow manage to open the lab door and escape. Reese says that they have to get up to the roof so no one else is killed but Snow clubs him down. He says that the CIA has a safe house two blocks away. Reese warns him that the CIA will consider him compromised and all that is waiting for him is a black hood. Reese tries to get through to him but Snow simply wishes him luck and leaves. As Finch arrives and disarms Reese's bomb vest just in the nick of time, Kara returns to her car; however, to her surprise, she finds Snow in the back seat. Snow tells Stanton that she was right about him that he would be very good at dying. Kara lunges at him in desperation but the car explodes killing them both. Up on the roof Reese realizes what Snow has done.

After Snow's death, the FBI informs Carter that they believe Snow to be "The Man in the Suit" that Donnelly was chasing and consider the case now closed ("Dead Reckoning").

The Machine puts a white square on Snow indicating that he does not know about its existence ("Super").

Snow does not know about the Machine. Strangely, Snow is not listed by the machine as a threat to an asset (Reese), even though he tries many times to kill him.

Tyrell Evans[edit]

Tyrell Evans (played by Darien Sills-Evans) is the alias of a CIA Operative, partnered with Mark Snow and assisted him in trying to retire Reese along with other assignments. He was shown to be an expert sniper and good with computers. He appeared many times with his partner, Snow ("Number Crunch").

He shoots Reese in the torso while his partner Mark Snow distracts Reese, almost killing him, but fails to find him afterwards as the lights are shot out by John right after ("Super").

When he and Snow receive a tip about a possible location on Reese at a hotel in the city. The two enter the room guns drawn. However, they are for some reason unable to correctly cover the room, and are shot by an assailant standing behind the door before they can return fire. The assailant turns out not to be Reese but Stanton ("Matsya Nyaya").

Kara Stanton[edit]

Kara Stanton (played by Annie Parisse) is the alias of a former CIA operative and John Reese's former handler and partner. Before joining the CIA, Kara graduated from U.S. Naval Academy and served as an officer in the U.S. Marine Corps. Unlike John, Kara loved her work as an assassin and seemed to have some sadistic tendencies. She was very ruthless and her boss Mark Snow stated that Kara was a disturbing person " in a class all by herself ".

In 2006, Stanton met with Reese for the first time in Hungary to interrogate two men about the whereabouts of Alim Nazir. Prior to this meeting, Stanton was apparently informed by a reliable, anonymous source that the men were involved in getting Nazir out of the country. On this information, Stanton executed them in front of a shocked Reese, who expected them to be questioned before any action was taken. She also had a photo of Jessica Arndt talking to Reese at the airport. Upon showing this to Reese, she told him that he could not go back to her, and that he no longer had any old friends. Telling him to dispose of the body and gun, Stanton assigned him the cover name "Reese" ("Foe").

In 2007, in Prague, Reese and Stanton posed as a couple and shot three men down (one man selling plans on a drone to two Chinese nationals). Reese wanted to finish the mission as fast as possible but Stanton told him that he should learn to love his work as a killer ("Prisoner's Dilemma").

In 2008, Stanton, Reese, and Mark Snow were operating illegally in New York City, holding a government employee captive after he tried to sell some software to the Chinese. When Reese was given permission for time off, Stanton followed him to a bar and found him meeting with Jessica's husband Peter. She gave him a lecture, telling him that they're no longer like other people, and Reese reluctantly left with her before Jessica spotted them ("Blue Code").

In 2009, Stanton and Reese were assigned to kill a couple in Paris. They followed the couple to a bar. Stanton did not care why they have been ordered to kill them and advises Reese to act more credible since they were posing as a married couple. When the bar's other patron left, Stanton shot out the camera while Reese approached the couple.

Back in their apartment, after having killed the couple, they tried to remove all the traces that would ever prove they have been there. Stanton told him that they could take a break, but Reese said that he was fine. So Stanton drew out a gun on him and wanted him to choose between being a boy scout or a killer because she was tired of working with both. She also reminded him that he chose this life. Reese slammed her into the wall and told her that he loved his work and they kissed ("Prisoner's Dilemma").

In 2010, Reese and Stanton were in Morocco interrogating a suspect. A few hours later Mark Snow and Alicia Corwin arrived and informed them that they were being sent to China to retrieve a high-profile Stuxnet-like computer program from the Chinese. As Stanton left the room, Snow secretly ordered Reese to retire her, claiming she had been in contact with a terrorist.

The pair arrived in Ordos and discovered the site where the program was found. On arrival, they discovered the corpses of many software engineers, and much of the building's servers had been emptied. Reese found a survivor whom Stanton conversed with in Chinese. He said that men had turned up and took away the Machine. Upon hearing that, she promptly executed him and withheld what he had said from Reese. With much of what they came for already taken, Reese and Stanton had no choice but to wait for their extraction at nightfall.

When nightfall came, Stanton marked the landing zone with infrared glow sticks. Reese had readied his gun to shoot her in the back, but lowered it at the last moment, only for Stanton to turn and shoot him. She apologized, saying she had orders from Snow, and was told Reese had ties to terrorists. Reese laughed, telling her he had the same orders and that they were being set up, with the beacon actually signaling for a shelling, not extraction. Reese then made his escape, leaving Stanton standing in shock. Overhead, a drone observed as an incoming cruise missile targeted the beacons. The wounded Reese managed to escape the blast radius, and turned back to see the explosion apparently killing his partner.

Stanton however, had managed to clear the explosion and escape China with the help of a dissident group ("Matsya Nyaya").

While recuperating, she was turned by a mysterious intelligence operator who was tracking her CIA activities ("Dead Reckoning").

Snow revealed to Detective Carter that over the course of their partnership, Reese and Stanton worked on numerous missions and often saved each other's lives. However, he lies and tells Carter Stanton was killed by Reese before he went off the grid ("Number Crunch").

Snow and his partner Evans were led to a hotel room after receiving some intelligence from one of their North Korean contacts. Upon their entry and subsequent search of the room, Stanton emerged from the shadows and ambushed them both, killing Evans and injuring Snow ("Matsya Nyaya").

Meaning to "catch up" with Snow, she kept him locked in a storage room with a bomb vest strapped onto him so that he would not escape. After he presented her proof that Alicia Corwin, the person who set her up in the mission to Ordos, was dead, she told him that she needed him to run a few more errands for her ("Masquerade").

Snow was seen by Carter, leaving Fujima Techtronics. Carter followed and confronted him. Snow revealed that he is rigged with an explosive vest and tells Carter to tell John that, "she is planning something big". Snow flees when a shooter fires upon them (presumably Stanton) interrupting their meeting ("Critical").

Nicholas Donnelly's number came up and Finch called him to warn him. At this point Stanton rams the vehicle that Donnelly is using to transport Reese and Carter to a safe-house. As the trio are recovering from the collision's impact, Stanton shoots Donnelly twice, before approaching Reese and asking if he missed her. She then plunges a syringe into his neck, presumably laden with some form of sedative as Reese goes limp after being injected ("Prisoner's Dilemma").

After rigging him with an explosive vest as well, she sends Reese and Snow out to run more errands for her. While fetching a hard drive, Stanton remotely instructs them to kill the sellers when they demand a higher price, but Reese refuses. Before the seller can press the matter further, Stanton who had been observing them, shoots the sellers with a sniper rifle from a rooftop.

She then orders Reese and Snow to steal the gear of two ATF agents who were about to be called in a bomb threat Stanton orchestrated in a nearby office building. The building houses a computer security installation and cyberwarfare development lab and by activating a fifteen-minute detonation timer, Stanton drives the team to clear the entry for her to access a Sensitive Compartmented Information Facility containing the weapons cache where she uploads the contents of the drive Reese and Snow retrieved earlier. Before she leaves, she triggers the bomb vests and locks the team in the room.

On the way back to her car, she calls Greer to inform him that the mission has been completed. He tells her the name of the man who sold the laptop (alleged to be Harold Finch), which was the cause for what happened in Ordos. Before she can act on the information, she is cornered by Snow, who escaped the building and hides in the backseat of her car, and then gets his revenge by killing her in his bomb's explosion ("Dead Reckoning").

Decima Technologies[edit]

The following characters are involved in the Decima Technologies storyline, a shadowy organization that is in possession of the Samaritan AI:

John Greer[edit]

John Greer (played by John Nolan). Greer is a former MI6 agent who is trying to destroy the Machine with a rival A.I. In 2010, he sent one of three interested parties to Ordos, China to retrieve a laptop with stolen "Machine" code. The other teams were "The CIA" (John Reese and Kara Stanton) and the Chinese ("Ram" (2014), "Aletheia" (2014), "Zero Day" (2013), "Trojan Horse" (2013), and "Dead Reckoning" (2013)). He is very much present from second half of season 3 to the end of season 5 as the main villain, getting Samaritan, a totalitarian artificial intelligence, online, to track down and kill any opponent, especially Finch, Reese, their friends, and the Machine. In the penultimate episode ".exe", Greer confronts Finch as he tries to destroy Samaritan with the Ice 9 computer virus. Greer sacrifices himself in an attempt to kill Finch by locking them in a sealed room and having Samaritan remove the oxygen. Greer dies from lack of oxygen, but Finch is rescued by the Machine with the help of Reese and Shaw who had been given Greer's number by the Machine.

Jeremy Lambert[edit]

Jeremy Lambert (played by Julian Ovenden) is an operative for Decima Technologies, and Greer's right-hand man. He is shot dead by Shaw in "Reassortment."

Martine Rousseau[edit]

Martine Rousseau (played by Cara Buono) a very sadistic woman and former investigator for the United Nations who is a Samaritan operative for Decima Technologies. She is killed by Root at the end of season 4.

Gabriel Hayward[edit]

Gabriel Hayward (played by Oakes Fegley) a young boy who acts as Samaritan's "analog interface".

Claire Mahoney[edit]

Claire Mahoney (played by Quinn Shephard) is a former college student and Samaritan asset after completing a complex puzzle it designed. In the episode "Nautilus" the team attempt to stop her when it is revealed that the puzzle is a recruiting device for Samaritan. She returns later in the series to attempt to convince Finch that Samaritan is trying to help people.


Zachary (played by Robert Manning, Jr) an operative for Decima Technologies who later becomes a Samaritan agent. He is killed by John Reese in ".exe".

Jeff Blackwell[edit]

Jeff Blackwell (played by Joshua Close) an ex-con who is recruited by Samaritan. He is killed by Shaw in "return 0" in revenge for murdering Root.


The following character is involved in the Vigilance storyline, in which a violent organization professes to protect people's privacy.

Peter Collier[edit]

Peter Collier (played by Leslie Odom, Jr.) is a field agent whose job is to protect the organization.


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  5. ^ "The Contingency", Season 2, Episode 2
  6. ^ "Root Cause", Season 1, Episode 13
  7. ^ "Firewall", Season 1, Episode 23
  8. ^ "Bad Code", Season 2, Episode 2
  9. ^ "The Contingency", Season 2, Episode 1
  10. ^ "Booked Solid" Season 2, Episode 15
  11. ^ "The Fix", Season 1, Episode 6
  12. ^ "Root Cause", Season 1, Episode 13
  13. ^ "Firewall" Season 1, Episode 23
  14. ^ "Bury the Lede", Season 2, Episode 5
  15. ^ "The High Road", Season 2, Episode 6
  16. ^ "Booked Solid", Season 2, Episode 15
  17. ^ "The Fix", Season 1, Episode 6
  18. ^ "Root Cause", Season 1, Episode 13
  19. ^ "Firewall", Season 1, Episode 23
  20. ^ "The High Road" Season 1, Episode 6
  21. ^ "Booked Solid", Season 2, Episode 15
  22. ^ "Flesh and Blood", Season 1, Episode 19
  23. ^ "Mission Creep", Season 1, Episode 3
  24. ^ "The Fix", Season 1, Episode 6
  25. ^ "Witness", Season 1, Episode 7
  26. ^ "Get Carter", Season 1, Episode 9
  27. ^ "Risk", Season 1, Episode 16
  28. ^ "Baby Blue", Season 1, Episode 17
  29. ^ "Flesh and Blood", Season 1, Episode 19
  30. ^ "Triggerman", Season 2, Episode 4
  31. ^ "Prisoner's Dilemma", Season 2, Episode 12
  32. ^ "Witness", Season 1, Episode 7
  33. ^ "Risk", Season 1, Episode 16
  34. ^ "Baby Blue", Season 1, Episode 17
  35. ^ "Flesh and Blood", Season 1, Episode 19
  36. ^ "C.O.D.", Season 2, Episode 9