|Born||November 5, 1968|
Gilliam graduated from State University of New York at Purchase in 1990.
Gilliam has had a number of recurring roles on television, including during the seventh season of The Cosby Show as Aaron Dexter, boyfriend of Erika Alexander's character, and as Alan Deaton on Teen Wolf. His most prominent role, however, has been on The Wire. In 2008, Gilliam attracted attention for criticizing the show being overlooked for Emmy nominations, despite its critical success. He has also had a number of guest roles in other shows such as CSI: Miami, Nurse Jackie, Skins, Person of Interest, and The Good Wife. His film credits include Private Sugar Watkins in the 1997 action film Starship Troopers and Sergeant Steven Altameyer in the 1996 film Courage Under Fire.
Gilliam has also acted on stage, including playing Prince Edward in a 1993 production of Richard III, and as the lead in the Commonwealth Shakespeare Company's 2010 production of Othello. He has stated that he prefers acting on the stage: "It's a lot more fun to do. There is instant communication with the audience. An actor can tell whether or not he or she is connecting with an audience or whether they understand what's going on."
On 5 May 2014, Gilliam was cast as Gabriel Stokes in the fifth season of AMC's The Walking Dead.
|1990–1991||The Cosby Show||Aaron Dexter||3 episodes|
|1992||Law & Order||Michael's Attorney||"Immortal"|
|1999–2001||Oz||Clayton Hughes||Recurring (17 episodes)|
|2002–2008||The Wire||Ellis Carver||Main cast|
|2005||Law & Order: Trial by Jury||A.D.A. Terence Wright||4 episodes|
|2007||The Bronx is Burning||Paul Blair||"Time for a Change?"|
|2007–2008||Law & Order: Criminal Intent||Detective Daniels||4 episodes|
|2009||Damages||Mark Waters||"I Knew Your Pig"|
|CSI: Miami||Aaron Nolan||"Flight Risk"|
|Mercy||Police Officer||"Destiny, Meet My Daughter, Veronica"|
|2010||Nurse Jackie||Dr. Lindsey||"Candyland"|
|Law & Order||Babatunde Amoda||"Consultation"|
|2011–present||Teen Wolf||Dr. Alan Deaton||Recurring (28 episodes)|
|2011||The Good Wife||Jacob Rickter||"Closing Arguments"|
|2012||Person of Interest||Detective Des Franklin||"Identity Crisis"|
|Homeland||Chapman||"A Gettysburg Address"|
|2013||Criminal Minds||Lyle Johnson||"Strange Fruit"|
|2014||The Walking Dead||Gabriel Stokes||Series Regular|
|1992||In the Eyes of a Stranger||TV Movie|
|1993||Joey Breaker||Jeremy Breaker|
|Mr. Wonderful||ER Doctor|
|1994||Assault at West Point: The Court-Martial of Johnson Whittaker||Cadet Johnson C. Whittaker||TV Movie|
|The Hardest Part||Derek||Short film|
|1995||Jefferson in Paris||James Hemings|
|1996||Courage Under Fire||Altameyer|
|1997||Starship Troopers||Sugar Watkins|
|2002||Personal Velocity: Three Portraits||Vincent|
|2005||The Great Wonderful||Clayton||Segment: "Emme's Story"|
|2009||The People v. Leo Frank||Jim Conley|
|Did You Hear About the Morgans?||U.S. Marshal Lasky|
|2010||Betrayed||Roger Waite||Short film|
|2011||Stake Out: Atlantic Salmon||Rivers||Short film|
|2015||Police State||Officer Grady||Post production|
- "Cast & Crew - Seth Gilliam as Ellis Carver". HBO. 2008. Retrieved 2008-01-15.
- Melloy, Kilian (2010-08-07). "Seth Gilliam :: From ’The Wire’ to ’Othello’". EDGE Boston. Retrieved 2013-03-28.
- Marnell, Blair (2011-07-13). "TEEN WOLF 1.07 'Night School'". CraveOnline. Retrieved 2013-03-28.
- "The Wire star hits out at Emmys". BBC News. 2008-07-28. Retrieved 2013-09-05.
- Reeves, Marcus (2011-05-06). "Seth Gilliam Cast For "Good Wife" Season Finale | News". BET. Retrieved 2013-03-28.
- "Houston Shakespeare Festival Welcomes Seth Gilliam, Leah C. Gardiner". University of Houston News. 2011-07-26. Retrieved 2013-09-05.
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