Mark O'BrienActingMay 7, 1984 (41 years old) St. Johns, Newfoundland, CanadaPopularity: 1TwitterIMDbBiographyMark 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).Also Known AsMark O’BrienRecent & Upcoming7.4NurembergColonel John Amen • Nov 20255.7Shadow of GodMason Harper • Mar 20255.6Seven VeilsPaul • Mar 2025Known For7.7GemWarehouse 13Jerry Hoffler8.2GemHannibalRandall Tier7.0Ready or NotAlex Le Domas7.4NurembergColonel John Amen7.0Republic of DoyleDes Courtney7.9GemHalt and Catch FireTom Rendon6.9KilljoysGrayson Hicks7.2Perry MasonThomas Milligan7.6ArrivalCaptain Marks8.1GemYour HonorFather Jay7.2City on a HillJimmy Ryan6.4The Copenhagen TestEdmund CobbPhotos of Mark O'BrienFilmographyMovies43TV Shows12AllCast41Crew11Browse All2020s7.4NurembergColonel John Amen5.7Shadow of GodMason Harper5.6Seven VeilsPaul5.3TopperTopperFalsehoodElizeus Carrier7.5Blue BayouAce6.2The RighteousAaron Smith2010s7.0Ready or NotAlex Le Domas7.7Marriage StoryCarter Mitchum5.4HammerChris Davis7.0GoalieTerry Sawchuk4.7State Like SleepDarren6.8Bad Times at the El RoyaleLarsen Rogers6.1KinJake7.0The Darkest MindsRob Meadows5.3How It EndsJeremiah6.0AnonCyrus Frear6.0ParallelJosh5.9The Front RunnerBilly Shore7.6ArrivalCaptain Marks4.9The Dark StrangerMarkWandererEric5.1How to Plan an Orgy in a Small TownBruce Buck5.7End of Days, Inc.JasonDennisDennisBeat DownMichaelKathyDirector5.1Grown Up Movie StarWillSnarbuckledJacob O'Higgins2000s3.8The Four HorsemenEric Rollins4.3The One That Got AwayTommy PalchekHeartless Disappearance Into Labrador SeasCharlie
