Caplan at Comic-Con 2012
|Born||Elizabeth Anne Caplan
June 30, 1982
Los Angeles, California, U.S.
Elizabeth Anne "Lizzy" Caplan (born June 30, 1982) is an American actress. In film, she is best known for her roles as Janis Ian in Mean Girls (2004), Marlena Diamond in Cloverfield (2008), April in Hot Tub Time Machine (2010) and Gena in Bachelorette (2012). On television, her most notable roles include Avery Bishop in Tru Calling (2005), Marjee Sorelli in Related (2005-2006), Kat Warbler in The Class (2006-2007), Amy Burley in True Blood (2008) and Casey Klein in Party Down (2009-2010).
Personal life 
Caplan was born and raised in Los Angeles. She grew up in a Reform Jewish family. Caplan attended Alexander Hamilton High School, and was a student at the school's Academy of Music. At first, she focused on playing the piano but later decided to pursue drama. She graduated in 2000.
Caplan has been in a relationship with actor Matthew Perry since 2006. She is godmother to Birdie Leigh Silverstein, the daughter of actress Busy Philipps and screenwriter Marc Silverstein.
Caplan began her television acting career in 1999 playing the minor role of Sara, a girlfriend of Jason Segel's character, on the critically acclaimed series Freaks and Geeks. Caplan had a series of guest appearances on numerous shows. She also appeared in Jason Mraz's music video "You and I Both". In 2001, she played Tina Greer in an episode of Smallville, and reprised her role on the show in 2003. She appeared in two episodes of the ABC series Once and Again as Sarah, the ex-girlfriend of Mischa Barton's character, Katie Singer.
She gained wider notice in the 2004 movie Mean Girls. She played the alternative-styled Janis Ian, named for the singer-songwriter. In 2003, she starred in the television series The Pitts, playing Faith Pitt. In the second season of Tru Calling, she played Avery Bishop, a friend of Tru Davies.
Caplan landed a starring role in 2005, playing Marjee Sorelli, the troubled sister in Related, a one-hour comedy-drama on The WB. The show was canceled after one season. In 2006, Caplan played the starring role of Sara Weller in Wesley Strick's thriller, Love is the Drug. She was named one of “10 Actors to Watch” that year by Variety. After Related ended, Caplan was cast in the CBS sitcom The Class, which premiered on September 18, 2006, and lasted one season. She played Kat Warbler, one of several elementary-school friends that reunite after 20 years.
In 2008, Caplan appeared in the film Cloverfield playing Marlena Diamond, and was nominated for a Saturn award as Best Supporting Actress. She also appeared in the romantic comedy My Best Friend's Girl playing Ami, the roommate of Kate Hudson's character Alexis. She is the voice of Faith Pitt in the animated version of The Pitts, released in 2009. In 2008, Caplan guest starred on the vampire-themed HBO show True Blood in a multiple-episode story arc as Amy Burley, the drug-addled girlfriend of Sookie Stackhouse's brother, Jason.
Caplan also appeared in the critically acclaimed Starz ensemble comedy Party Down, playing a struggling comedienne who is part of a catering crew. In 2010, she appeared in 127 Hours, a film directed by Danny Boyle. Based on a true story, Caplan played the sister of hiker Aron Ralston, played by James Franco, who was forced to amputate his own arm after being trapped by a boulder.
In early 2012, Caplan premiered two films at the Sundance Film Festival: Save the Date and Bachelorette. Also in 2012, Caplan has appeared in several episodes of the Fox sitcom New Girl as Julia. In March 2012, she filmed a television pilot for Showtime's Masters of Sex. Caplan and Michael Sheen played 1960s human sexuality pioneers Masters and Johnson. The pilot was directed by John Madden.
|2000||From Where I Sit||Lily||TV movie|
|2001||Close to Home||Leigh||TV movie|
|2002||Orange County||Party Girl|
|2002||Everybody's Doing It||Angela||TV movie|
|2003||Hardcore Action News||Lizzy Lyons||Short film|
|2004||Mean Girls||Janis Ian|
|2006||Love Is the Drug||Sara Weller|
|2008||My Best Friend's Girl||Ami|
|2009||The Last Rites of Ransom Pride||Juliette Flowers|
|2010||True Love||Connie||TV movie|
|2010||Successful Alcoholics||Lindsay||Short film|
|2010||Hot Tub Time Machine||April|
|2010||127 Hours||Sonja Ralston|
|2011||Queens of Country||Jolene Gillis|
|2011||Home for Actresses||Lizzy||Short film|
|2012||Save the Date||Sarah|
|2012||3,2,1... Frankie Go Boom||Lassie||Completed|
|2012||Item 47||Claire||Short Film|
|1999–2000||Freaks and Geeks||Sara||Episode: "Pilot"
Episode: "Beers and Weirs"
Episode: "Tests and Breasts"
Episode: "Discos and Dragons"
|2001||Undeclared||Beautiful Girl||Episode: "Prototype"|
|2001||Once and Again||Sarah||Episode: "Tough Love"|
|2001–2003||Smallville||Tina Greer||Episode: "X-Ray"
|2003||The Pitts||Faith Pitt||7 episodes|
|2005||Tru Calling||Avery Bishop||Episode: "Grace"
Episode: "In the Dark"
Episode: "'Twas the Night Before Christmas... Again"
|2005–2006||Related||Marjee Sorelli||19 episodes|
|2006–2007||The Class||Kat Warbler||19 episodes|
|2006–2009||American Dad!||Debbie (voice)||Episode: "The American Dad After School Special"
Episode: "Iced, Iced Babies"
Episode: "Escape from Pearl Bailey"
Episode: "Jack's Back"
Episode: "Bar Mitzvah Hustle"
|2008||The Life & Times of Tim||(voice)||Episode: "Insurmountable High Score/Tim vs. the Baby"|
|2008||True Blood||Amy Burley||Episode: "Burning House of Love"
Episode: "The Fourth Man in the Fire"
Episode: "Plaisir d'amour"
Episode: "I Don't Wanna Know"
Episode: "To Love Is to Bury"
Episode: "You'll Be the Death of Me"
|2009–2010||Party Down||Casey Klein||20 episodes|
|Episode: "Show Me on Montana"
Episode: "Party Down"
|2011||Wainy Days||Arielle||Episode: "Kelly and Arielle Part 2"|
|2011||The Cleveland Show||Patty||Episode: "The Essence of Cleveland"|
|2011||Mr. Sunshine||Vivian Cornelli||Episode: "Ben and Vivian"|
|2012||New Girl||Julia||4 episodes|
|2013||Masters of Sex||Virginia E. Johnson|
- Miller, Gerri (2005). "Mean girl no more". American Jewish Life Magazine. Retrieved December 13, 2006.
- "Lizzy Caplan — Bios — The Class on CBS". CBS.com. May 23, 2007. Retrieved May 6, 2009.
- Brink, Rob (February 2008). "Hey, You're Cool! Lizzy Caplan". Mass Appeal Magazine. p. 48.
- "Matthew Perry's Student Body Hookup". TMZ.com. 2006-11-16. Retrieved 2012-05-25.
- Fisher, Kelly (September 10, 2011). "Matthew Perry And Lizzy Caplan: Another Hollywood Odd Couple? (PHOTO)". Huffingtonpost.com. Retrieved 2012-05-25.
- Posted: 12:04 AM, March 13, 2012 (2012-03-13). "Matthew Perry and Lizzie Caplan catch the closing night of "Assistance"". NYPOST.com. Retrieved 2012-05-25.
- 08:28 AM ET (2011-07-28). "Update: Actress Busy Philipps expecting first child, a girl – Moms & Babies – Moms & Babies - People.com". Celebritybabies.people.com. Retrieved 2012-05-25.
- Rohan, Virginia (July 3, 2000). "Like its title, 'Freaks and Geeks' just not accepted". Spartanburg Herald-Journal. Retrieved July 1, 2010.
- Saval, Malina. "Lizzy Caplan: The _Heeb_ Interview". Heeb. Retrieved July 1, 2010.
- Indrisek, Scott (April 27, 2010). "Lizzy Caplan on ‘Party Down’ and Her ‘True Blood’ Nude Scenes". BlackBook Magazine. Retrieved July 1, 2010.
- Andreeva, Nellie. "UPDATE: Michael Sheen & Lizzy Caplan To Star In Showtime Pilot 'Masters Of Sex'". Deadline.com. Retrieved 2012-05-25.