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