Theodore Raymond "T.R." Knight was born in Minneapolis, Minnesota on March 26, 1973. T.R. first got involved with theater when he joined the Minneapolis' Guthrie Theater's acting company at a young age. With this group T.R. played his first role, Tiny Tim in A Christmas Carol
. From there, T.R. went on to star in productions of Ah, Wilderness!
, and Amadeus
T.R. then moved to New York where he starred in productions of Noises Off
, This Lime Tree Bower
, and Anto Scattergood
, in which his portrayal of Brendan Hilliard earned him a Drama Desk Nomination for Outstanding Featured Actor in a Play.
T.R.'s first television role came in 2003 when he starred as Ryan Lemming in the short-lived series Charlie Lawrence
. After guest star roles on Law & Order: Criminal Intent
, T.R. landed the role of George O'Malley on the ABC series Grey's Anatomy
T.R. currently resides in New York.