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T.R. Knight


T.R. Knight was a member of the acting company of Minneapolis' Guthrie Theater. Roles there included Richard Miller in Eugene O'Neill's "Ah, Wilderness!" and Amadeus in Peter Shaffer's "Amadeus". On the New York stage, he portrayed Tim Allgood in "Noises Off", Damis in "Tartuffe", Joe in "This Lime Tree Bower" and Brendan Hilliard in "Anto ... See full bio »

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Nominated for 1 Primetime Emmy. Another 2 wins & 7 nominations. See more awards »

Known For

Grey's Anatomy
Grey's Anatomy Dr. George O'Malley
(2005-2009)
11.22.63
11.22.63 Johnny Clayton
(2016)
Genius
Genius J. Edgar Hoover / Max Jacob
(2017-2018)
42
42 Harold Parrott
(2013)

Filmography

Jump to: Actor | Thanks | Self | Archive footage
Hide Hide Show Show Actor (20 credits)
 2017-2018 Genius (TV Series)
J. Edgar Hoover / Max Jacob
- Picasso: Chapter One (2018) ... Max Jacob
- Einstein: Chapter Ten (2017) ... J. Edgar Hoover
- Einstein: Chapter Nine (2017) ... J. Edgar Hoover
- Einstein: Chapter Eight (2017) ... J. Edgar Hoover
 2017 Hello Again
Carl
 2017 The Catch (TV Series)
Tommy Vaughan
- The Mockingbird (2017) ... Tommy Vaughan
- The Cleaner (2017) ... Tommy Vaughan
- The Family Way (2017) ... Tommy Vaughan
- The Dining Hall (2017) ... Tommy Vaughan
- The Hammer (2017) ... Tommy Vaughan
 2017 When We Rise (TV Mini-Series)
Chad Griffin
- Night III: Parts IV and V (2017) ... Chad Griffin
- Night IV: Part VI and VII (2017) ... Chad Griffin
 2016 11.22.63 (TV Mini-Series)
Johnny Clayton
- The Day in Question (2016) ... Johnny Clayton
- The Truth (2016) ... Johnny Clayton
- The Eyes of Texas (2016) ... Johnny Clayton
- The Rabbit Hole (2016) ... Johnny Clayton
 2016 Broken (TV Series)
Mark
- Pilot ... Mark
 2015 A Year and Change
Kenny
 2014 Hysteria (TV Series)
Carter James Harlen
- Pilot (2014) ... Carter James Harlen
 2013 The Good Wife (TV Series)
Jordan Karahalios
- What's in the Box? (2013) ... Jordan Karahalios
- Invitation to an Inquest (2013) ... Jordan Karahalios
- Going for the Gold (2013) ... Jordan Karahalios
- Red Team, Blue Team (2013) ... Jordan Karahalios
- The Seven Day Rule (2013) ... Jordan Karahalios
 2013 42
Harold Parrott
 2011 Law & Order: Special Victims Unit (TV Series)
Gabriel Thomas / Brian Smith
- Double Strands (2011) ... Gabriel Thomas / Brian Smith
 2005-2009 Grey's Anatomy (TV Series)
Dr. George O'Malley
- Now or Never (2009) ... Dr. George O'Malley
- Here's to Future Days (2009) ... Dr. George O'Malley
- What a Difference a Day Makes (2009) ... Dr. George O'Malley
- No Good at Saying Sorry (One More Chance) (2009) ... Dr. George O'Malley
- Sweet Surrender (2009) ... Dr. George O'Malley
 2007 Max's Words (Video short)
Narrator (voice)
 2006 Sesame Street (TV Series)
Private I
 2006/I The Last Request
Jeff
 2004 CSI: Crime Scene Investigation (TV Series)
Zero Adams
- XX (2004) ... Zero Adams
 2004 Law & Order: Criminal Intent (TV Series)
Neil Colby
- F.P.S. (2004) ... Neil Colby
 2003 Frasier (TV Series)
Alex
- Maris Returns (2003) ... Alex
 2003 Charlie Lawrence (TV Series)
Ryan Lemming
- I'll Take the Low Road (2003) ... Ryan Lemming
- Dinner and a Breakdown (2003) ... Ryan Lemming
- New Kid in School (2003) ... Ryan Lemming
- A Vote of Confidence (2003) ... Ryan Lemming
- Episode #1.3 ... Ryan Lemming
 2002 Garmento
Daniel
Show Show Thanks (2 credits)
Show Show Self (16 credits)
Show Show Archive footage (8 credits)

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Personal Details

Other Works:

(September 24 to November 15, 2009) He acted in the musical, "Parade," in a Donmar Warehouse production at the Mark Taper Forum Theatre in Los Angeles, California with David St. Louis and Lara Pulver in the cast. Alfred Uhry wrote the book. Jason Robert Brown was composer and lyricist. Harold Prince was developer. Rob Ashford ... See more »

Publicity Listings:

4 Articles | See more »

Height:

5' 8" (1.73 m)
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Did You Know?

Personal Quote:

I guess there have been a few questions about my sexuality, and I'd like to quiet any unnecessary rumors that may be out there. While I prefer to keep my personal life private, I hope the fact that I'm gay isn't the most interesting part of me.

Trivia:

Best friends of Katherine Heigl. See more »

Nickname:

T.R.

Star Sign:

Aries

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