Keir O’Donnell

Actor, Writer, Director

Birthdate: November 8

Birthplace: Sydney, New South Wales, Australia

O'Donnell was born in Sydney, Australia but moved to Harvard, Massachusetts, United States when he was 10 years old. His name is of Gaelic origin and translates to "Little Dark One" (It is pronounced to rhyme with "beer"). He is best known for playing a wide variety of eccentric characters through all genres of film and television.

Known For

Wedding Crashers
Wedding Crashers

(2005)

Fargo
Fargo

(2014)

Keir O’Donnell Movies

actor

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Previous (23)

  • 2025 |

    Coyotes

    asDevon
  • 2024 |
    Marmalade
  • 2022 |

    Ambulance

    asFBI Agent Anson Clark
  • 2021 |

    The Dry

    asSgt. Greg Raco
  • 2016 |

    Incarnate

    asOliver
  • 2014 |

    American Sniper

    asJeff Kyle
  • 2014 |

    Dawn of the Planet of the Apes

    asFinney
  • 2013 |
    Wormas Dustin
  • 2013 |
    A Case of Youas Eliot
  • 2012 |
    Complacentas Thomas Pulchek
  • 2009 |
    Taking Chancesas Digger Morris
  • 2009 |
    Paul Blart: Mall Copas Veck Simms
  • 2009 |

    Paul Blart: Mall Cop

    asVeck Simms
  • 2008 |
    Amusementas The Laugh
  • 2007 |
    What We Do Is Secretas Chris Ashford
  • 2008 |
    Pathologyas Ben Stravinsky
  • 2006 |
    Wild West Comedy Show: 30 Days & 30 Nights - Hollywood to the Heartland
  • 2007 |
    Deadboxas Tucker
  • 2007 |
    Flakesas Stuart
  • 2005 |
    Wedding Crashersas Todd Cleary
  • 2005 |

    Wedding Crashers

    asTodd Cleary
  • 2004 |
    Starkweatheras Bob Von Buch
  • 2002 |
    In Your Faceas Todd Jarvis