T. R. Knight
Biography
Theodore Raymond “T. R.” Knight, born March 26 1973 in Minneapolis, Minnesota, is an American actor. He is principally recognised for portraying Dr. George O’Malley on the ABC medical drama Grey’s Anatomy, a role he originated in 2005 and continued through 2009, with a guest appearance in 2020. The performance earned him a nomination for a major television award. Knight’s professional credits number thirty according to the Movie Database, and his career has been identified primarily with acting. Public records list his gender as male, and he is also referenced under the transliteration تی. آر. نایت.
Career overview
Theodore Raymond Knight was born on March 26, 1973 in Minneapolis, Minnesota, United States. He is an American actor whose professional work is recorded under the name T. R. Knight. His career in screen acting includes a range of credits, with a total of thirty listed roles in the database that tracks film and television appearances. The most prominent entry in his body of work is his portrayal of Dr. George O’Malley on the ABC medical drama Grey’s Anatomy. Knight first appeared as O’Malley when the series launched in 2005 and remained a regular cast member through 2009, later returning for an appearance in 2020. The role has been identified as his highest‑profile part to date, and it brought him recognition in the form of a nomination for an industry award, as noted in biographical references.
Beyond the Grey’s Anatomy series, the available sources do not specify additional productions or roles. The public records focus on his identification as a male actor, his birth details, and his association with the Grey’s Anatomy character, which has defined his public profile within the entertainment industry.
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Frequent co-stars
Career timeline
Full Filmography
31 titles- Forge (2026) as Sandy Baker
- Adam the First (2024) as Jacob Jr.
- The Flight Attendant (2020) as Davey Bowden
- The Comey Rule (2020) as Reince Priebus
- The Bravest Knight (2019) as Sir Cedric (voice)
- The Lavender Scare (2019) as Drew Ference (voice)
- I Am a Seagull (2019) as TR / Medvedenko
- God Friended Me (2018) as Gideon
- Genius (2017) as J. Edgar Hoover
- Genius (2017) as Max Jacob
- Will & Grace (2017) as Dexter Murphy
- Hello Again (2017) as Carl
- 11.22.63 (2016) as Johnny Clayton
- The Catch (2016) as Tommy
- A Year and Change (2015) as Kenny
- 42 (2013) as Harold Parrott
- The Good Wife (2009) as Jordan Karahalios
- Max's Words (2007) as Narrator
- The Last Request (2006) as Jeff
- Grey's Anatomy (2005) as George O'Malley
- The Tony Danza Show (2004) as Self
- The Ellen DeGeneres Show (2003) as Self
- Charlie Lawrence (2003) as Ryan Lemming
- Garmento (2002) as Daniel
- Law & Order: Criminal Intent (2001) as Neil Colby
- CSI: Crime Scene Investigation (2000) as Zero Adams
- Law & Order: Special Victims Unit (1999) as Gabriel Thomas / Brian Smith
- Frasier (1993) as Alex
- LIVE with Kelly and Mark (1988) as Self - Guest
- Stranger Things: The First Shadow as Victor Creel
- Sydney vs. Sean as Bob
Frequently Asked Questions
What movies or TV shows is T. R. Knight best known for?
T. R. Knight is widely recognized for notable roles and projects including Forge (2026), The Flight Attendant (2020), Anna: the Pleasure, the Torment (1973), Walter Defends Sarajevo (1972).
When and where was T. R. Knight born?
T. R. Knight was born on March 26, 1973 in Minneapolis, Minnesota, USA.
How many credits does T. R. Knight have?
T. R. Knight has accumulated over 31 film and television credits across a career spanning from 1988 to 2026.
What is T. R. Knight's background in cinema and television?
Theodore Raymond “T. R.” Knight, born March 26 1973 in Minneapolis, Minnesota, is an American actor. He is principally recognised for portraying Dr. George O’Malley on the ABC medical drama Grey’s Anatomy, a role he originated in 2005 and continued through 2009, with a guest appearance in 2020. The performance earned h...