T.R. Knight

We don't have a biography for T.R. Knight yet. Hang in there, or go ahead and contribute one.

Known For


Cast Credits

11.22.63 (2016)
Starring as Johnny Clayton (4 episodes)
The Good Wife (2009)
Guest starring as Jordan Karahalios (3 episodes)
Grey's Anatomy (2005)
Starring as Dr. George O'Malley (102 episodes)
The Ellen DeGeneres Show (2003)
Guest starring as T.R. Knight
CSI: Crime Scene Investigation (2000)
Guest starring as Zero Adams
  • Episode 4x17: XX (Mar 11, 2004)
Frasier (1993)
Guest starring as Alex
Broken ()
Starring as Mark