
John O'Brien
Known For
FlickList VIP
Recommended for you
Filmography
Acting (56)
Movies (8)
Television (48)
Perry Mason
2020as Ernie Magnuson
Bob Hearts Abishola
2019as James
9-1-1
2018as Rod Billings
Dirty John
2018as Cameron Scott
Light as a Feather
2018as Reverend Fahey
S.W.A.T.
2017as Weber
Superstore
2015as Mike
Transparent
2014as Professor
Young & Hungry
2014as Mr. Klepfer
Mom
2013as Waiter
The Crazy Ones
2013as Larry
The Mindy Project
2012as Dr. Jones
Don't Trust the B---- in Apartment 23
2012as Tom
Shameless
2011as Father Monroe
Austin & Ally
2011as Mr. Neidermeyer
Workaholics
2011as Doctor
Pretty Little Liars
2010as Principal Hackett
Victorious
2010as Mr. Mooney
Law & Order: LA
2010as Scott Hancox
Better With You
2010as Florist
Community
2009as Chaplin
Eleventh Hour
2008as Manager
The Middleman
2008as Newscaster
Chuck
2007as Older CIA Tech
Mad Men
2007as Phil Kennedy
Ugly Betty
2006as Joe of Happy Homes
Grey's Anatomy
2005as Lab Tech Jeffrey
Criminal Minds
2005as Dr. Meyer
Medium
2005as Hotel Clerk
Desperate Housewives
2004as Dr. Wheeler
Boston Legal
2004as Clerk #2
NCIS
2003as Bruce
Two and a Half Men
2003as Waiter
Monk
2002as Maitre'd
What I Like About You
2002as Dr. Thompson
Less than Perfect
2002as Executive
Scrubs
2001as Man
Scrubs
2001as Man
Malcolm in the Middle
2000as Sales Clerk
The West Wing
1999as Reporter
BeastMaster
1999as Village leader
Will & Grace
1998as Salesperson
The Practice
1997as Foreman
Ally McBeal
1997as Waiter
Clueless
1996as Zombie
The Drew Carey Show
1995as Rick
Friends
1994as Airline Employee
The X-Files
1993as Missionary #2
FlickList VIP
Recommended for you