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Actor

Mark O'Brien

Acting

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About 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).

Filmography44 films
Rank Mark O'Brien's movies

Start with all movie credits in Favorite Mark O'Brien Movies, then arrange them in your own order.

  1. The Outer Threat2026
  2. The Voices of Our Mother2026
  3. Nuremberg2025
  4. The Memory Keeper2025
  5. Shadow of God2025
  6. Seven Veils2025
  7. Topper2025
  8. Blue Bayou2021
  9. The Righteous2021
  10. Hammer2019
  11. Marriage Story2019
  12. Ready or Not2019
  13. Goalie2019
  14. State Like Sleep2019
  15. The Front Runner2018
  16. Bad Times at the El Royale2018
  17. Kin2018
  18. The Darkest Minds2018
  19. How It Ends2018
  20. Anon2018
  21. Parallel2018
  22. Arrival2016
  23. Wanderer2016
  24. The Dark Stranger2016
  25. How to Plan an Orgy in a Small Town2015
  26. End of Days, Inc.2015
  27. Dennis2015
  28. Sweetieface2013
  29. Beat Down2012
  30. Snarbuckled2010
  31. Brad2010
  32. Grown Up Movie Star2010
  33. Mum's the Word2009
  34. Quiet at Dawn2009
  35. Cut from the Same Cloth2009
  36. Heartless Disappearance Into Labrador Seas2008
  37. Epilogue2008
  38. The One That Got Away2008
  39. The Four Horsemen2008
  40. Better PeopleTBA
  41. Good in the RoomTBA
  42. Little OneTBA
  43. Nice PeopleTBA
  44. SomaTBA
  1. The Outer Threat2026
  2. The Voices of Our Mother2026
  3. Nuremberg2025