Actor · DirectorT.R. KnightMarch 26, 1973(51 years old)Minneapolis, Minnesota, USATheodore Raymond "T. R." Knight (born March 26, 1973) is an American actor. Knight's most high-profile role to date was his role as Dr. George O'Malley on ABC's medical drama Grey's Anatomy.SocialsInstagramTwitterFacebookIMDbKnown forGrey's AnatomyGeorge O'Malley / George O'Malley42Harold ParrottLaw & Order: Special Victims UnitGabriel Thomas / Brian SmithThe Good WifeJordan KarahaliosFrasierAlex11.22.63Johnny ClaytonCSI: Crime Scene InvestigationZero AdamsThe Flight AttendantDavey BowdenLaw & Order: Criminal IntentNeil ColbyWill & GraceDexter MurphyThe Comey RuleReince Priebus