Dan O'Brien

    Known For

    Acting

    Dan O'Brien

    Biography

    Dan O'Brien is an actor, known for Whitney (2011), Grand Theft Auto IV (2008) and The Delray Story (2011). He graduated from the University of Notre Dame in 1999.

    Known For

    • Grey's Anatomy

      Grey's Anatomy

      2005

    • How I Met Your Mother

      How I Met Your Mother

      2005

    • Law & Order

      Law & Order

      1990

    • The Affair

      The Affair

      2014

    • American Housewife

      American Housewife

      2016

    • Gunslingers

      Gunslingers

      2025

    • Whitney

      Whitney

      2011

    • Descendent

      Descendent

      2025

    • Brand New Old Love

      Brand New Old Love

      2017

    • Astraea

      Astraea

      2015

    • Occupant

      Occupant

      2018