
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

Shameless

S.W.A.T.

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

Mom

Scrubs

Victorious

Dirty John

Perry Mason

Clueless

Superstore

Austin & Ally

The Crazy Ones

Bob Hearts Abishola

Light as a Feather

Cheaper by the Dozen

Enough

The Last Heist
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