John O'Brien
Known for Acting · 57 credits
Known For
TV Shows (48)
Grey's Anatomy
2005
as Lab Tech Jeffrey
NCIS
2003
as Bruce
Criminal Minds
2005
as Dr. Meyer
Shameless
2011
as Father Monroe
S.W.A.T.
2017
as Weber
Friends
1994
as Airline Employee
Desperate Housewives
2004
as Dr. Wheeler
Two and a Half Men
2003
as Waiter
9-1-1
2018
as Rod Billings
The X-Files
1993
as Missionary #2
Monk
2002
as Maitre'd
Mad Men
2007
as Phil Kennedy
The West Wing
1999
as Reporter
Scrubs
2001
as Man
Boston Legal
2004
as Clerk #2
Malcolm in the Middle
2000
as Sales Clerk
Medium
2005
as Hotel Clerk
Hacks
2021
as Duncan
Pretty Little Liars
2010
as Principal Hackett
The Practice
1997
as Foreman
Mom
2013
as Waiter
The Drew Carey Show
1995
as Rick
Community
2009
as Chaplin
Will & Grace
1998
as Salesperson / Man
Chuck
2007
as Older CIA Tech
Superstore
2015
as Mike
The Mindy Project
2012
as Dr. Jones
Ugly Betty
2006
as Joe of Happy Homes
Victorious
2010
as Mr. Mooney
Austin & Ally
2011
as Mr. Neidermeyer
Workaholics
2011
as Doctor
Bob Hearts Abishola
2019
as James
What I Like About You
2002
as Dr. Thompson / Minister
Less than Perfect
2002
as Executive
Perry Mason
2020
as Ernie Magnuson
Law & Order: LA
2010
as Scott Hancox
Ally McBeal
1997
as Waiter
Young & Hungry
2014
as Mr. Klepfer
Dirty John
2018
as Cameron Scott
Transparent
2014
as Professor
Don't Trust the B---- in Apartment 23
2012
as Tom
Clueless
1996
as Zombie
BeastMaster
1999
as Village leader
Eleventh Hour
2008
as Manager
The Crazy Ones
2013
as Larry
The Middleman
2008
as Newscaster
Light as a Feather
2018
as Reverend Fahey
Better With You
2010
as Florist
Movies (9)
Enough
2002
as Front Desk Clerk
Cheaper by the Dozen
2022
as Principal
Being Flynn
2012
as Airline Pilot
Flicka
2006
as Mr. Masterson
The Last Heist
2016
as Manager Mark
Good Grief
2024
as Dan
Mom, Can I Keep Her?
1998
as Nigel
This Game's Called Murder
2021
as Man in Suit
Isle of Lesbos
1997
as Farmer
About John O'Brien
John O'Brien is a notable figure in cinema and television, best known for contributions to Acting. With 57 credits spanning from 1993 to 2024, John O'Brien has appeared in 9 films and 48 TV shows.
Fans searching for John O'Brien movies, John O'Brien filmography, or the latest projects starring John O'Brien can stream many of these titles on CineFlixo, free and in HD, with no subscription required.
Most Popular John O'Brien Movies
- Enough (2002) — as Front Desk Clerk
- Cheaper by the Dozen (2022) — as Principal
- Being Flynn (2012) — as Airline Pilot
- Flicka (2006) — as Mr. Masterson
- The Last Heist (2016) — as Manager Mark
Where to Watch John O'Brien Films
Most John O'Brien movies and series are available to stream on CineFlixo in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring John O'Brien, check our movies catalogue and browse page.