John O'Brien
Acting
No biography is available yet. You can still browse notable work below.
As actor 58
Grey's Anatomy
2005
NCIS
2003
Criminal Minds
2005
Shameless
2011
Friends
1994
S.W.A.T.
2017
9-1-1
2018
Desperate Housewives
2004
The X-Files
1993
Two and a Half Men
2003
The West Wing
1999
Pretty Little Liars
2010
Mad Men
2007
Monk
2002
Boston Legal
2004
Community
2009
Scrubs
2001
Chuck
2007
Malcolm in the Middle
2000
The Drew Carey Show
1995
Medium
2005
Will & Grace
1998
The Practice
1997
Mom
2013
Hacks
2021
Superstore
2015
The Mindy Project
2012
Victorious
2010
Ugly Betty
2006
Workaholics
2011
Perry Mason
2020
Bob Hearts Abishola
2019
Austin & Ally
2011
BeastMaster
1999
Transparent
2014
Ally McBeal
1997
Less than Perfect
2002
Don't Trust the B---- in Apartment 23
2012
Young & Hungry
2014
What I Like About You
2002
Law & Order: LA
2010
Clueless
1996
Dirty John
2018
Eleventh Hour
2008
Light as a Feather
2018
The Crazy Ones
2013
Mortdecai
2015
Enough
2002
The Middleman
2008
Better With You
2010
Cheaper by the Dozen
2022
Being Flynn
2012
The Last Heist
2016
Flicka
2006
Mom, Can I Keep Her?
1998
This Game's Called Murder
2021
Good Grief
2024
Isle of Lesbos
1997