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Mark O'Brien

Mark O'Brien

Birthday: May 7th, 1984 Place of Birth: St. Johns, Newfoundland, Canada

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).

Cast Credits

  • Shadow of God (2025)
    TBD
    Shadow of God (2025)
  • Seven Veils (2025)
    TBD
    Seven Veils (2025)
  • Blue Bayou (2021)
    6 / 10
    Blue Bayou (2021)
  • The Righteous (2021)
    TBD
    The Righteous (2021)
  • Parallel (2021)
    5 / 10
    Parallel (2021)
  • Hammer (2019)
    TBD
    Hammer (2019)
  • Marriage Story (2019)
    9 / 10
    Marriage Story (2019)
  • Ready or Not (2019)
    7 / 10
    Ready or Not (2019)
  • Bad Times at the El Royale (2018)
    6 / 10
    Bad Times at the El Royale (2018)
  • The Darkest Minds (2018)
    4 / 10
    The Darkest Minds (2018)
  • Kin (2018)
    5 / 10
    Kin (2018)
  • How It Ends (2018)
    TBD
    How It Ends (2018)
  • Anon (2018)
    5 / 10
    Anon (2018)
  • State Like Sleep (2018)
    TBD
    State Like Sleep (2018)
  • Arrival (2016)
    9 / 10
    Arrival (2016)
  • The Dark Stranger (2016)
    The Dark Stranger (2016)
    TBD
    The Dark Stranger (2016)

Crew Credits

  • The Righteous (2021)
    TBD
    The Righteous (2021)
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