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T. R. Knight
ACTOR

T. R. Knight

Known for Grey's Anatomy · Law & Order: Special Victims Unit · CSI: Crime Scene Investigation

Theodore 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. ​From Wikipedia, the free encyclopedia

Snapshot 2026-10-13

Born
Mar 26, 1973
Birthplace
Minneapolis, Minnesota, USA
Known For
Acting

Biography

Theodore 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.

​From Wikipedia, the free encyclopedia

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Known For

TVGrey's Anatomy
Grey's AnatomyGeorge O'Malley · 2005
★ 8.2
TVLaw & Order: Special Victims Unit
Law & Order: Special Victims UnitGabriel Thomas / Brian Smith · 1999
★ 8.0
TVCSI: Crime Scene Investigation
CSI: Crime Scene InvestigationZero Adams · 2000
★ 7.6
TVFrasier
FrasierAlex · 1993
★ 7.7
TVThe Good Wife
The Good WifeJordan Karahalios · 2009
★ 7.6
TVLaw & Order: Criminal Intent
Law & Order: Criminal IntentNeil Colby · 2001
★ 7.6
TVThe Ellen DeGeneres Show
The Ellen DeGeneres ShowSelf · 2003
★ 5.6
TVLIVE with Kelly and Mark
LIVE with Kelly and MarkSelf - Guest · 1988
★ 5.6

Filmography

Movies

GarmentoDaniel
2002
The Last RequestJeff
2006
Max's WordsNarrator
2007
42Harold Parrott
2013
A Year and ChangeKenny
2015
BrokenMark
2016
Hello AgainCarl
2017
I Am a SeagullTR / Medvedenko
2019
The Lavender ScareDrew Ference (voice)
2019
Adam the FirstJacob Jr.
2024
ForgeSandy Baker
2026
SV
Sydney vs. SeanBob
2026
ST
Stranger Things: The First ShadowVictor Creel

Television

LIVE with Kelly and MarkSelf - Guest · 1 eps
1988
FrasierAlex · 1 eps
1993
Law & Order: Special Victims UnitGabriel Thomas / Brian Smith · 1 eps
1999
CSI: Crime Scene InvestigationZero Adams · 1 eps
2000
Law & Order: Criminal IntentNeil Colby · 1 eps
2001
CL
Charlie LawrenceRyan Lemming · 7 eps
2003
The Ellen DeGeneres ShowSelf · 2 eps
2003
TT
The Tony Danza ShowSelf · 1 eps
2004
Grey's AnatomyGeorge O'Malley · 101 eps
2005
The Good WifeJordan Karahalios · 7 eps
2009
11.22.63Johnny Clayton · 4 eps
2016
The CatchTommy · 1 eps
2016
GeniusJ. Edgar Hoover · 3 eps
2017
GeniusMax Jacob · 6 eps
2017
Will & GraceDexter Murphy · 1 eps
2017
God Friended MeGideon · 1 eps
2018
The Bravest KnightSir Cedric (voice) · 26 eps
2019
The Comey RuleReince Priebus · 1 eps
2020
The Flight AttendantDavey Bowden · 12 eps
2020

Photos

T. R. Knight photo
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