John O'Brien
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Biography
John O'Brien is a Movie & Television actor, best known for their work in Grey's Anatomy & Criminal Minds
Known For
Grey's Anatomy
Criminal Minds
NCIS
Monk
Shameless
S.W.A.T.
The West Wing
The X-Files
Medium
Desperate Housewives
Malcolm in the Middle
9-1-1
The Mindy Project
Will & Grace
Ally McBeal
Chuck
Mad Men
Two and a Half Men
Community
Law & Order: LA
Friends
Pretty Little Liars
Mom
Victorious
Scrubs
Dirty John
Perry Mason
Clueless
Superstore
Bob Hearts Abishola
Austin & Ally
The Crazy Ones
Light as a Feather
Cheaper by the Dozen
Enough
The Last Heist
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