Movies
TV Shows
Actors
John O'Brien
Mar 21, 2026 (0 years old) in
Known For
Grey's Anatomy
NCIS
Shameless
Friends
The X-Files
Credits
2022 ·
Cheaper by the Dozen
as Principal
2021 ·
This Game's Called Murder
as Man in Suit
2020 ·
Perry Mason
as Ernie Magnuson
2019 ·
Bob Hearts Abishola
as James
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 ·
The Crazy Ones
as Larry
2013 ·
Mom
as Waiter
2012 ·
The Mindy Project
as Dr. Jones
2012 ·
Don't Trust the B---- in Apartment 23
as Tom
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 ·
Flicka
as
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 ·
Two and a Half Men
as Waiter
2002 ·
Less than Perfect
as Executive
2002 ·
What I Like About You
as Minister
2002 ·
What I Like About You
as Dr. Thompson
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 Man
1998 ·
Will & Grace
as Salesperson
1998 ·
Mom, Can I Keep Her?
as Nigel
1997 ·
Ally McBeal
as Waiter
1997 ·
The Practice
as Foreman
1997 ·
Isle of Lesbos
as Farmer
1996 ·
Clueless
as Zombie
1995 ·
The Drew Carey Show
as Rick
1994 ·
Friends
as Airline Employee
1993 ·
The X-Files
as Missionary #2
