John O'Brien
ActingTotal Credits
58
Acting
58
First Credit
1993
Latest Credit
2024
Malcolm in the Middle
Sales Clerk
2000
Friends
Airline Employee
1994
The X-Files
Missionary #2
1993
Criminal Minds
Dr. Meyer
2005
The West Wing
Reporter
1999
9-1-1
Rod Billings
2018
Victorious
Mr. Mooney
2010
Grey's Anatomy
Lab Tech Jeffrey
2005
Shameless
Father Monroe
2011
Scrubs
Man
2001
Mad Men
Phil Kennedy
2007
S.W.A.T.
Weber
2017
Community
Chaplin
2009
Pretty Little Liars
Principal Hackett
2010
Monk
Maitre'd
2002
Desperate Housewives
Dr. Wheeler
2004
Boston Legal
Clerk #2
2004
Austin & Ally
Mr. Neidermeyer
2011
Chuck
Older CIA Tech
2007
Light as a Feather
Reverend Fahey
2018
The Middleman
Newscaster
2008
The Practice
Foreman
1997
NCIS
Bruce
2003
Superstore
Mike
2015
Hacks
Duncan
2021
Bob Hearts Abishola
James
2019
Medium
Hotel Clerk
2005
Two and a Half Men
Waiter
2003
Workaholics
Doctor
2011
Mom
Waiter
2013
Perry Mason
Ernie Magnuson
2020
Less than Perfect
Executive
2002
Flicka
Mr. Masterson
2006
Will & Grace
Salesperson · Man
1998
Law & Order: LA
Scott Hancox
2010
Dirty John
Cameron Scott
2018
Don't Trust the B---- in Apartment 23
Tom
2012
Young & Hungry
Mr. Klepfer
2014
Enough
Front Desk Clerk
2002
Eleventh Hour
Manager
2008
Ally McBeal
Waiter
1997
The Drew Carey Show
Rick
1995
BeastMaster
Village leader
1999
Better With You
Florist
2010
Ugly Betty
Joe of Happy Homes
2006
Transparent
Professor
2014
What I Like About You
Minister · Dr. Thompson
2002
Cheaper by the Dozen
Principal
2022
Clueless
Zombie
1996
The Mindy Project
Dr. Jones
2012
Being Flynn
Airline Pilot
2012
The Crazy Ones
Larry
2013
Mortdecai
Butler
2015
The Last Heist
Manager Mark
2016
This Game's Called Murder
Man in Suit
2021
Mom, Can I Keep Her?
Nigel
1998
Isle of Lesbos
Farmer
1997
MovieGood Grief
Dan
2024