John O'Brien
Acted in
Cheaper by the Dozen
2022
as Principal
This Game's Called Murder
2021
as Man in Suit
Perry Mason
2020
as Ernie Magnuson
Bob Hearts Abishola
2019
as James
Dirty John
2018
as Cameron Scott
Light as a Feather
2018
as Reverend Fahey
9-1-1
2018
as Rod Billings
S.W.A.T.
2017
as Weber
The Last Heist
2016
as Manager Mark
Superstore
2015
as Mike
Young & Hungry
2014
as Mr. Klepfer
The Crazy Ones
2013
as Larry
Mom
2013
as Waiter
The Mindy Project
2012
as Dr. Jones
Don't Trust the B---- in Apartment 23
2012
as Tom
Being Flynn
2012
as Airline Pilot
Austin & Ally
2011
as Mr. Neidermeyer
Shameless
2011
as Father Monroe
Law & Order: LA
2010
as Scott Hancox
Better With You
2010
as Florist
Pretty Little Liars
2010
as Principal Hackett
Victorious
2010
as Mr. Mooney
Community
2009
as Chaplin
The Middleman
2008
as Newscaster
Chuck
2007
as Older CIA Tech
Mad Men
2007
as Phil Kennedy
Flicka
2006
Criminal Minds
2005
as Dr. Meyer
Grey's Anatomy
2005
as Lab Tech Jeffrey
Medium
2005
as Hotel Clerk
Desperate Housewives
2004
as Dr. Wheeler
NCIS
2003
as Bruce
Two and a Half Men
2003
as Waiter
Less than Perfect
2002
as Executive
What I Like About You
2002
as Minister
What I Like About You
2002
as Dr. Thompson
Monk
2002
as Maitre'd
Enough
2002
as Front Desk Clerk
Scrubs
2001
as Man
Malcolm in the Middle
2000
as Sales Clerk
The West Wing
1999
as Reporter
Will & Grace
1998
as Salesperson
Will & Grace
1998
as Man
Mom, Can I Keep Her?
1998
as Nigel
Isle of Lesbos
1997
as Farmer
Clueless
1996
as Zombie
The Drew Carey Show
1995
as Rick
Friends
1994
as Airline Employee
The X-Files
1993
as Missionary #2