T.R. Knight – Famous Actor

Who is T.R. Knight?

T.R. Knight is an American actor. He is best known for his role in Grey’s Anatomy, the long-running medical drama.


March 26, 1973


Minneapolis, Minnesota, the United States of America



Personal Life

Knight started working in theater at the age of 12. He was part of the Children’s Theatre Company. He studied briefly at the University of St. Thomas but dropped out to pursue a career in acting.

Knight is gay and married Patrick B. Leahy in 2013 after a lengthy relationship.

Professional Life

The actor started working on stage early on and got experience. As an adult, he moved to New York City to work on stage. He was in Noises Off in 2001 on Broadway. Next, he was in Tartuffe in 2003 and also in Scattergood, which earned him a Drama Desk Award nomination for Oustanding Featured Actor in a Play. Finally, he starred in Boy in 2004, with these last two being off-Broadway productions.

In 2003, Knight was cast in Charlie Lawrence, starring Nathan Lane and Laurie Metcalf. However, his on-screen breakthrough role would come in 2005 with the role of Dr. George O’Malley on Grey’s Anatomy. O’Malley started out as a surgical intern and worked up to resident, forming strong relationships with notable characters like Meredith Grey, Cristina Yang, Izzie Stevens, and Alex Karev, portrayed by Ellen Pompeo, Sandra Oh, Katherine Heigl, and Justin Chambers. The actor returned for several seasons but would not return for the sixth one. For his work, he received a nomination for Outstanding Supporting Actor in a Drama Series at the Primetime Emmy Awards.

In 2009, he was in Parade and later appeared on Broadway with A Life in the Theatre in 2010, opposite Patrick Stewart.

In 2019, the actor was cast in The Bravest Knight, doing voice work for the main character Sir Cedric. The series gained notoriety as an all-age production with a main gay character, the titular knight, who is married to a prince.

In 2016, Knight played Johnny Clayton opposite the lead James Franco in 11.22.63. The series adapted the book by the same name written by Stephen King, focusing on a teacher traveling back in time to try and prevent the Kennedy assassination.

In film, he was in Last Request in 2006, in 42 in 2013, In A Year and Change in 2015, and in Hello Again in 2017.

On television, the actor has held multiple roles over the years. He appeared in Frasier, Law & Order: Criminal Intent and CSI: Crime Scene Investigation before his role as O’Malley, which he would have for 103 episodes.

He would appear on Sesame Street in 2006, on Law & Order: Special Victims Unit, in The Good Wife with a recurring role. In 2017, he was in The Catch, followed by roles in When We Rise, Genius: Einstein and Genius: Picasso, as well as God Friended Me.

In 2020, he appeared in the revival of Will & Grace. In 2020, he was in The Comey Rule. Starting in 2020, he was also cast in The Flight Attendant as Davey Bowden.


For his role on Grey’s Anatomy, the actor has been nominated for the Satellite Award for Best Cast, the Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series, the Golden Nymph Award for Oustanding Actor in a Drama Series, and more.


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