John O'Brien
Skådespelare
Filmography
| 2022 | Cheaper by the Dozen · as Principal |
| 2021 | This Game's Called Murder · as Man In Suit |
| 2020 | Perry Mason (2020) · as Ernie Magnuson |
| 2019 | Bob Hearts Abishola · as James |
| 2018 | Dirty John · as Cameron Scott |
| 2018 | 9-1-1 · as Rod Billings |
| 2018 | Light as a Feather · as Reverend Fahey |
| 2017 | S.W.A.T. (2017) · as Weber |
| 2017 | The Comedy Get Down · as Joe Garvin |
| 2017 | The Student · as Professor Mcdeers |
| 2016 | The Last Heist · as Manager MarkPå Plex |
| 2016 | Unremarkable · as Tim |
| 2015 | Superstore · as Mike |
| 2015 | The Player (2015) · as Louis Scrivner |
| 2015 | Mortdecai · as Butler |
| 2014 | Hand of God · as Mr. O'neill |
| 2014 | Young & Hungry · as Mr. Klepfer |
| 2014 | Godzilla · as Evacuation Worker |
| 2014 | Transparent · as Professor |
| 2014 | Rake (US) · as Judge |
| 2013 | The Crazy Ones · as Larry |
| 2013 | Trophy Wife · as Manager |
| 2013 | Mom · as Waiter |
| 2012 | Divorce Invitation · as Christopher MatismaPå Plex |
| 2012 | The Mindy Project · as Dr. Jones |
| 2012 | Being Flynn · as Airline Pilot |
| 2012 | |
| 2012 | Stevie TV · as Minister |
| 2011 | Austin & Ally · as Mr. Neidermeyer |
| 2011 | Prime Suspect (US) · as Andrew Whittaker |
| 2011 | Kickin' It · as David Basso |
| 2011 | Shameless (US) · as Father Monroe |
| 2011 | Workaholics · as Doctor |
| 2010 | Law & Order: LA · as Scott Hancox |
| 2010 | Better With You · as Florist |
| 2010 | Mike & Molly · as Waiter |
| 2010 | Melissa & Joey · as Phil Werner |
| 2010 | Pretty Little Liars · as Principal Hackett |
| 2010 | Victorious · as Mr. Mooney |
| 2009 | FlashForward · as Hawaii Priest |
| 2009 | Community · as Chaplin |
| 2009 | Drop Dead Diva · as Nathan Blagman |
| 2008 | Eleventh Hour (US) · as Manager |
| 2008 | The Middleman · as Newscaster |
| 2007 | The Bucket List · as Executive #1 |
| 2007 | Chuck · as Older Cia Tech |
| 2007 | Sunny & Share Love You · as Camilla's Gay Dad |
| 2007 | Mad Men · as Phil KennedyPå Plex |
| 2007 | In Case of Emergency · as Principal Beckman |
| 2006 | |
| 2006 | Ugly Betty · as Joe Of Happy Homes |
| 2006 | Our House · as Manager |
| 2005 | Criminal Minds · as Dr. Meyer |
| 2005 | McBride: The Doctor Is Out... Really Out · as Victor Hancock |
| 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 |
| 2004 | Phil of the Future · as Beefeater |
| 2003 | Karen Sisco · as Agent #1 |
| 2003 | Two and a Half Men · as Waiter |
| 2003 | Rock Me Baby · as Insurance Agent |
| 2003 | NCIS · as Bruce |
| 2002 | Less Than Perfect · as Executive |
| 2002 | What I Like About You · as Dr. Thompson |
| 2002 | Monk · as Maitre'd |
| 2002 | Enough · as Front Desk Clerk |
| 2001 | Scrubs · as Man |
| 2001 | The Fighting Fitzgeralds · as Mr. Berkely |
| 2001 | Skippy · as Van Man |
| 2000 | Arrest & Trial · as Burgess |
| 2000 | Strip Mall · as Producer |
| 2000 | The Huntress · as Mel |
| 2000 | Malcolm in the Middle · as Sales Clerk |
| 1999 | Beastmaster · as Village LeaderPå Plex |
| 1999 | The West Wing · as Reporter |
| 1998 | Will & Grace · as Salesperson |
| 1998 | Mom, Can I Keep Her? · as NigelPå Plex |
| 1997 | Dharma & Greg · as Mr. Carter |
| 1997 | Ally McBeal · as Waiter |
| 1997 | The Practice · as Foreman |
| 1997 | Isle of Lesbos · as Farmer |
| 1996 | Sabrina, The Teenage Witch · as Customer #3 |
| 1996 | Clueless · as Zombie |
| 1995 | The Drew Carey Show · as RickPå Plex |
| 1994 | Friends · as Airline Employee |
| 1993 | The X-Files · as Missionary #2 |
| 1984 | The Cosby Show · as Partygoer |
| 2025 | Stella Stevens: The Last Starlet · as Self |