John O'Brien
Acting
Known for
8.2
Grey's Anatomy
2005 · TV
7.6
NCIS
2003 · TV
8.3
Criminal Minds
2005 · TV
8.0
Pretty Little Liars
2010 · TV
8.2
Shameless
2011 · TV
8.4
Friends
1994 · TV
8.2
9-1-1
2018 · TV
7.9
Desperate Housewives
2004 · TV
8.4
The X-Files
1993 · TV
7.5
Two and a Half Men
2003 · TV
8.1
S.W.A.T.
2017 · TV
7.9
Monk
2002 · TV
8.5
Malcolm in the Middle
2000 · TV
8.2
Scrubs
2001 · TV
6.8
Dirty John
2018 · TV
7.3
Mom
2013 · TV
8.1
Mad Men
2007 · TV
7.4
Hacks
2021 · TV
7.9
Boston Legal
2004 · TV
7.7
Light as a Feather
2018 · TV
8.3
The West Wing
1999 · TV
7.5
Medium
2005 · TV
6.9
Will & Grace
1998 · TV
8.0
Community
2009 · TV
7.7
The Practice
1997 · TV
7.7
Chuck
2007 · TV
6.5
The Drew Carey Show
1995 · TV
8.2
Victorious
2010 · TV
7.6
Superstore
2015 · TV
7.5
Bob Hearts Abishola
2019 · TV
7.8
Austin & Ally
2011 · TV
7.4
Workaholics
2011 · TV
7.2
Perry Mason
2020 · TV
6.4
Ugly Betty
2006 · TV
6.2
The Mindy Project
2012 · TV
6.9
Law & Order: LA
2010 · TV
6.5
Ally McBeal
1997 · TV
6.4
What I Like About You
2002 · TV
6.8
Don't Trust the B---- in Apartment 23
2012 · TV
6.4
Transparent
2014 · TV
7.7
The Middleman
2008 · TV
6.7
Young & Hungry
2014 · TV
6.9
Less than Perfect
2002 · TV
6.6
Eleventh Hour
2008 · TV
6.4
BeastMaster
1999 · TV
6.3
Clueless
1996 · TV
6.5
Better With You
2010 · TV
6.1
The Crazy Ones
2013 · TV