John O'Brien
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Biography
John O'Brien is a Television & Movie actor, best known for their work in Criminal Minds & NCIS
Known For
Criminal Minds
NCIS
Monk
The West Wing
Grey's Anatomy
The X-Files
Medium
Desperate Housewives
Malcolm in the Middle
9-1-1
The Mindy Project
Will & Grace
Chuck
Mad Men
Two and a Half Men
Community
Law & Order: LA
Friends
Pretty Little Liars
Victorious
Mom
Scrubs
Dirty John
Perry Mason
Clueless
Superstore
Austin & Ally
Bob Hearts Abishola
The Crazy Ones
Light as a Feather
Cheaper by the Dozen
Enough
The Last Heist
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