actor who plays george on grey's anatomy
T. R. Knight Theodore Raymond "T. R." Knight (born March 26, 1973) is an American actor. He is best known for his role as Dr. George O'Malley on the ABC medical drama Grey's Anatomy. Having acted on stage since the age of five, Knight had starred on Broadway, off-Broadway, and theatre productions in his home state of Minnesota. He received a Drama Desk Award nomination for his performance in MCC Theater's Scattergood in 2003.