Mark O'Brien

Biography

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).

Personal Facts

Known For

Acting

Gender

Male

Known Credits

15

Known For

• 

  Saklambaç
• 

  Republic of Doyle
• 

  Nürnberg
• 

  Geliş
• 

  The Copenhagen Test
• 

  Shadow of God

Credits

• actors (12 credits)

  • The Copenhagen Test

    Edmund Cobb

    actor

    actors
    2025
  • Nürnberg

    Colonel John Amen

    actor

    actors
    2025
  • Shadow of God

    Mason Harper

    actor

    actors
    2025
  • The Righteous

    Aaron Smith

    actor

    actors
    2021
  • Marriage Story

    Carter Mitchum

    actor

    actors
    2019
  • Saklambaç

    Alex Le Domas

    actor

    actors
    2019
  • The Kelly Clarkson Show

    - 156. Bölüm (2022) ... Self actor actors
    2019
  • El Royale'de Zor Zamanlar

    Larsen Rogers

    actor

    actors
    2018
  • Kin

    Jake

    actor

    actors
    2018
  • Anon

    Cyrus Frear

    actor

    actors
    2018
  • Geliş

    Captain Marks

    actor

    actors
    2016
  • Republic of Doyle

    Des Courtney

    actor

    actors
    2010

• writing (1 credits)

  • The Righteous

    writer

    writing
    2021

• directing (1 credits)

  • The Righteous

    director

    directing
    2021

• production (1 credits)

  • The Righteous

    executive producer

    production
    2021