Portrait of John O'Brien

John O'Brien

Born: Unknown birthdate.
John O'Brien is ?
External Links
IMDb logo
Sort by Popularity
Scroll to TV Credits
Acting Roles
Crew Roles

Movies (Acting Roles)

Sorted by Release Date
Poster of Cheaper by the Dozen
Cheaper by the Dozen
John O'Brien was
? in Cheaper by the Dozen
as 'Principal'.
Fri, Mar 18 2022
Poster of This Game's Called Murder
This Game's Called Murder
John O'Brien was
? in This Game's Called Murder
as 'Man in Suit'.
Fri, Dec 03 2021
Poster of The Last Heist
The Last Heist
John O'Brien was
? in The Last Heist
as 'Manager Mark'.
Fri, Jun 17 2016
Poster of Being Flynn
Being Flynn
John O'Brien was
? in Being Flynn
as 'Airline Pilot'.
Fri, Mar 02 2012
Poster of Flicka
Flicka
John O'Brien was
? in Flicka
Fri, Oct 20 2006
Poster of Enough
Enough
John O'Brien was
? in Enough
as 'Front Desk Clerk'.
Tue, May 21 2002
Poster of Isle of Lesbos
Isle of Lesbos
John O'Brien was
? in Isle of Lesbos
as 'Farmer'.
Tue, Feb 18 1997

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of Perry Mason
Perry Mason
John O'Brien was
? in Perry Mason
as 'Ernie Magnuson'.
First Air Date
Sun, Jun 21 2020
Poster of Bob Hearts Abishola
Bob Hearts Abishola
John O'Brien was
? in Bob Hearts Abishola
as 'James'.
First Air Date
Mon, Sep 23 2019
Poster of Dirty John
Dirty John
John O'Brien was
? in Dirty John
as 'Cameron Scott'.
First Air Date
Sun, Nov 25 2018
Poster of Light as a Feather
Light as a Feather
John O'Brien was
? in Light as a Feather
as 'Reverend Fahey'.
First Air Date
Fri, Oct 12 2018
Poster of 9-1-1
9-1-1
John O'Brien was
? in 9-1-1
as 'Rod Billings'.
First Air Date
Wed, Jan 03 2018
Poster of Superstore
Superstore
John O'Brien was
? in Superstore
as 'Mike'.
First Air Date
Mon, Nov 30 2015
Poster of Young & Hungry
Young & Hungry
John O'Brien was
? in Young & Hungry
as 'Mr. Klepfer'.
First Air Date
Wed, Jun 25 2014
Poster of The Crazy Ones
The Crazy Ones
John O'Brien was
? in The Crazy Ones
as 'Larry'.
First Air Date
Thu, Sep 26 2013
Poster of Mom
Mom
John O'Brien was
? in Mom
as 'Waiter'.
First Air Date
Mon, Sep 23 2013
Poster of The Mindy Project
The Mindy Project
John O'Brien was
? in The Mindy Project
as 'Dr. Jones'.
First Air Date
Tue, Sep 25 2012
Poster of Don't Trust the B---- in Apartment 23
Don't Trust the B---- in Apartment 23
John O'Brien was
? in Don't Trust the B---- in Apartment 23
as 'Tom'.
First Air Date
Wed, Apr 11 2012
Poster of Austin & Ally
Austin & Ally
John O'Brien was
? in Austin & Ally
as 'Mr. Neidermeyer'.
First Air Date
Fri, Dec 02 2011
Poster of Shameless
Shameless
John O'Brien was
? in Shameless
as 'Father Monroe'.
First Air Date
Sun, Jan 09 2011
Poster of Law & Order: LA
Law & Order: LA
John O'Brien was
? in Law & Order: LA
as 'Scott Hancox'.
First Air Date
Wed, Sep 29 2010
Poster of Better With You
Better With You
John O'Brien was
? in Better With You
as 'Florist'.
First Air Date
Wed, Sep 22 2010
Poster of Pretty Little Liars
Pretty Little Liars
John O'Brien was
? in Pretty Little Liars
as 'Principal Hackett'.
First Air Date
Tue, Jun 08 2010
Poster of Victorious
Victorious
John O'Brien was
? in Victorious
as 'Mr. Mooney'.
First Air Date
Sat, Mar 27 2010
Poster of Community
Community
John O'Brien was
? in Community
as 'Chaplin'.
First Air Date
Thu, Sep 17 2009
Poster of The Middleman
The Middleman
John O'Brien was
? in The Middleman
as 'Newscaster'.
First Air Date
Mon, Jun 16 2008
Poster of Chuck
Chuck
John O'Brien was
? in Chuck
as 'Older CIA Tech'.
First Air Date
Mon, Sep 24 2007
Poster of Mad Men
Mad Men
John O'Brien was
? in Mad Men
as 'Phil Kennedy'.
First Air Date
Thu, Jul 19 2007
Poster of Criminal Minds
Criminal Minds
John O'Brien was
? in Criminal Minds
as 'Dr. Meyer'.
First Air Date
Thu, Sep 22 2005
Poster of Grey's Anatomy
Grey's Anatomy
John O'Brien was
? in Grey's Anatomy
as 'Lab Tech Jeffrey'.
First Air Date
Sun, Mar 27 2005
Poster of Medium
Medium
John O'Brien was
? in Medium
as 'Hotel Clerk'.
First Air Date
Mon, Jan 03 2005
Poster of Desperate Housewives
Desperate Housewives
John O'Brien was
? in Desperate Housewives
as 'Dr. Wheeler'.
First Air Date
Sun, Oct 03 2004
Poster of NCIS
NCIS
John O'Brien was
? in NCIS
as 'Bruce'.
First Air Date
Tue, Sep 23 2003
Poster of Two and a Half Men
Two and a Half Men
John O'Brien was
? in Two and a Half Men
as 'Waiter'.
First Air Date
Mon, Sep 22 2003
Poster of Less than Perfect
Less than Perfect
John O'Brien was
? in Less than Perfect
as 'Executive'.
First Air Date
Tue, Oct 01 2002
Poster of What I Like About You
What I Like About You
John O'Brien was
? in What I Like About You
as 'Dr. Thompson, Minister'.
First Air Date
Fri, Sep 20 2002
Poster of Monk
Monk
John O'Brien was
? in Monk
as 'Maitre'd'.
First Air Date
Fri, Jul 12 2002
Poster of Scrubs
Scrubs
John O'Brien was
? in Scrubs
as 'Man'.
First Air Date
Tue, Oct 02 2001
Poster of Malcolm in the Middle
Malcolm in the Middle
John O'Brien was
? in Malcolm in the Middle
as 'Sales Clerk'.
First Air Date
Sun, Jan 09 2000
Poster of The West Wing
The West Wing
John O'Brien was
? in The West Wing
as 'Reporter'.
First Air Date
Wed, Sep 22 1999
Poster of Will & Grace
Will & Grace
John O'Brien was
? in Will & Grace
as 'Salesperson, Man'.
First Air Date
Mon, Sep 21 1998
Poster of Clueless
Clueless
John O'Brien was
? in Clueless
as 'Zombie'.
First Air Date
Fri, Sep 20 1996
Poster of The Drew Carey Show
The Drew Carey Show
John O'Brien was
? in The Drew Carey Show
as 'Rick'.
First Air Date
Wed, Sep 13 1995
Poster of Friends
Friends
John O'Brien was
? in Friends
as 'Airline Employee'.
First Air Date
Thu, Sep 22 1994
Poster of The X-Files
The X-Files
John O'Brien was
? in The X-Files
as 'Missionary #2'.
First Air Date
Fri, Sep 10 1993