John O'Brien

Personal Info

Known ForActing
GenderMale
Birthday-
Place of Birth-
IMDb

John O'Brien

Biography

No biography available.

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Person Photo

Known For

Grey's Anatomy

Grey's Anatomy

2005
8.2
Criminal Minds

Criminal Minds

2005
8.3
NCIS

NCIS

2003
7.6
Shameless

Shameless

2011
8.2
Friends

Friends

1994
8.4
S.W.A.T.

S.W.A.T.

2017
8.0
Two and a Half Men

Two and a Half Men

2003
7.5
Desperate Housewives

Desperate Housewives

2004
7.9
9-1-1

9-1-1

2018
8.2
The X-Files

The X-Files

1993
8.4
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