Mark O'Brien

    Mark O'Brien

    Acting

    Mark O'Brien (born May 7th, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle (2010) and Tom Rendon in Halt and Catch Fire (2014).

    Born: 5/7/1984
    St. Johns, Newfoundland, Canada

    Filmography

    Nuremberg
    2025
    History

    Nuremberg

    7.3
    Ready or Not
    2019
    Horror

    Ready or Not

    7.0
    Arrival
    2016
    Drama

    Arrival

    7.6
    Marriage Story
    2019
    Drama

    Marriage Story

    7.7
    Bad Times at the El Royale
    2018
    Thriller

    Bad Times at the El Royale

    6.8
    Anon
    2018
    Science Fiction

    Anon

    6.0
    The Darkest Minds
    2018
    Action

    The Darkest Minds

    7.0
    Kin
    2018
    Science Fiction

    Kin

    6.1
    How It Ends
    2018
    Science Fiction

    How It Ends

    5.3
    The Front Runner
    2018
    Drama

    The Front Runner

    5.9
    Shadow of God
    2025
    Horror

    Shadow of God

    5.7
    Seven Veils
    2025
    Drama

    Seven Veils

    5.6