Portrait of John O'Brien

John O'Brien

Acting

Biography

No biography available for John O'Brien.

Filmography

2022
2021
2020
Perry Mason

as Ernie Magnuson

2018
Dirty John

as Cameron Scott

2018
Light as a Feather

as Reverend Fahey

2018
9-1-1

as Rod Billings

2017
S.W.A.T.

as Weber

2016
The Last Heist

as Manager Mark

2015
Superstore

as Mike

2014
Transparent

as Professor

2014
Young & Hungry

as Mr. Klepfer

2013
2013
Mom

as Waiter

2012
The Mindy Project

as Dr. Jones

2012
Being Flynn

as Airline Pilot

2011
Austin & Ally

as Mr. Neidermeyer

2011
Workaholics

as Doctor

2011
Shameless

as Father Monroe

2010
Law & Order: LA

as Scott Hancox

2010
Better With You

as Florist

2010
Pretty Little Liars

as Principal Hackett

2010
Victorious

as Mr. Mooney

2009
Community

as Chaplin

2008
Eleventh Hour

as Manager

2008
The Middleman

as Newscaster

2007
Chuck

as Older CIA Tech

2007
Mad Men

as Phil Kennedy

2006
2006
Ugly Betty

as Joe of Happy Homes

2005
Criminal Minds

as Dr. Meyer

2005
Grey's Anatomy

as Lab Tech Jeffrey

2005
Medium

as Hotel Clerk

2004
Desperate Housewives

as Dr. Wheeler

2004
Boston Legal

as Clerk #2

2003
NCIS

as Bruce

2003
2002
Less than Perfect

as Executive

2002
What I Like About You

as Dr. Thompson

2002
2002
Monk

as Maitre'd

2002
Enough

as Front Desk Clerk

2001
Scrubs

as Man

2000
Malcolm in the Middle

as Sales Clerk

1999
BeastMaster

as Village leader

1999
The West Wing

as Reporter

1998
Will & Grace

as Salesperson

1998
1997
Ally McBeal

as Waiter

1997
The Practice

as Foreman

1997
1996
Clueless

as Zombie

1994
Friends

as Airline Employee

1993
The X-Files

as Missionary #2