Mark O'Brien

Mark O'Brien

Age 42 — born May 7, 1984· 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).

DramaScience FictionMysteryHorror

42Credits12 TV · 30 films
2008–2026Years activefirst to latest
8.3 Highest ratedHannibal
6.4 Average ratingacross 37 titles

Top TV shows 12best Mark O'Brien shows

  1. 1Hannibal posterHannibalRandall Tier · 2 eps · 20138.3
  2. 2Your Honor posterYour HonorFather Jay · 3 eps · 20208.1
  3. 3Halt and Catch Fire posterHalt and Catch FireTom Rendon · 15 eps · 20147.9
  4. 4Warehouse 13 posterWarehouse 13Jerry Hoffler · 1 ep · 20097.7
  5. 5City on a Hill posterCity on a HillJimmy Ryan · 14 eps · 20197.3
  6. 6Perry Mason posterPerry MasonThomas Milligan · 7 eps · 20207.2
  7. 7The Sticky posterThe StickyCharlie · 1 ep · 20247.2
  8. 8Republic of Doyle posterRepublic of DoyleDes Courtney · 77 eps · 20107.0
  9. 9The Last Tycoon posterThe Last TycoonMax Miner · 9 eps · 20177.0
  10. 1061st Street poster61st StreetOfficer Logan · 8 eps · 20226.9
  11. 11Killjoys posterKilljoysGrayson Hicks · 1 ep · 20156.9
  12. 12The Copenhagen Test posterThe Copenhagen TestEdmund Cobb · 8 eps · 20256.5

Top movies 30best Mark O'Brien movies

  1. 1Marriage Story posterMarriage StoryCarter Mitchum · 20197.7
  2. 2Arrival posterArrivalCaptain Marks · 2016 · Drama7.6
  3. 3Nuremberg posterNurembergColonel John Amen · 20257.6
  4. 4Blue Bayou posterBlue BayouAce · 20217.4
  5. 5Ready or Not posterReady or NotAlex · 2019 · Horror7.1
  6. 6The Darkest Minds posterThe Darkest MindsRob Meadows · 2018 · Action7.0
  7. 7Goalie posterGoalieTerry Sawchuk · 20196.9
  8. 8Bad Times at the El Royale posterBad Times at the El RoyaleLarsen Rogers · 20186.8
  9. 9The Righteous posterThe RighteousAaron Smith · 20216.2
  10. 10Kin posterKinJake · 20186.1
  11. 11Anon posterAnonCyrus Frear · 20186.0
  12. 12Parallel posterParallelJosh · 20186.0
  13. 13The Front Runner posterThe Front RunnerBilly Shore · 20185.9
  14. 14Shadow of God posterShadow of GodMason Harper · 20255.7
  15. 15End of Days, Inc. posterEnd of Days, Inc.Jason · 20155.7
  16. 16Seven Veils posterSeven VeilsPaul · 20255.6
  17. 17Hammer posterHammerChris Davis · 20195.4
  18. 18Topper posterTopperTopper · 20255.3
  19. 19How It Ends posterHow It EndsJeremiah · 20185.3
  20. 20Grown Up Movie Star posterGrown Up Movie StarWill · 20105.1
  21. 21How to Plan an Orgy in a Small Town posterHow to Plan an Orgy in a Small TownBruce Buck · 20155.1
  22. 22The Dark Stranger posterThe Dark StrangerMark · 20164.9
  23. 23State Like Sleep posterState Like SleepDarren · 20194.7
  24. 24The One That Got Away posterThe One That Got AwayTommy Palchek · 20084.3
  25. 25The Four Horsemen posterThe Four HorsemenEric Rollins · 20083.8
  26. 26The Voices of Our Mother posterThe Voices of Our MotherWilliam · 2026
  27. 27Beat Down posterBeat DownMichael · 2012
  28. 28Heartless Disappearance Into Labrador Seas posterHeartless Disappearance Into Labrador SeasCharlie · 2008
  29. 29Cut from the Same ClothJack Cochrane · 2009
  30. 30Snarbuckled posterSnarbuckledJacob O'Higgins · 2010

Keep exploring

Highest rated8.3Hannibal

Mark's best-reviewed title — ratings and where to watch.

GenreThe best of Drama

Top-rated drama shows and films, ranked.

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