T.R. Knight T.R. Knight 3/26/73 Actor Biography There is no information about «T.R. Knight» yet. Roles Dr. George O'Malley (Actor) Grey's Anatomy Sir Cedric (Actor) The Bravest Knight Dr. George O'Malley (Actor) Grey's Anatomy Johnny Clayton (Actor) 11.22.63 Davey Bowden (Actor) The Flight Attendant Max Jacob (Actor) Genius Gallery