Mark O'Brien
ActingBorn 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).
Known For
Filmography
2025The Copenhagen Testas Edmund Cobbtv2025Nurembergas Colonel John Amenmovie2025The Memory Keeperas Elizeus Carriermovie2025Shadow of Godas Mason Harpermovie2025Seven Veilsas Paulmovie2025Topperas Toppermovie2024The Stickyas Charlietv202261st Streetas Officer Logantv2021Blue Bayouas Acemovie2021The Righteousas Executive Producermovie2020Your Honoras Father Jaytv2020Perry Masonas Thomas Milligantv2019Hammeras Chris Davismovie2019Marriage Storyas Carter Mitchummovie2019The Kelly Clarkson Showas Selftv2019Ready or Notas Alex Le Domasmovie2019City on a Hillas Jimmy Ryantv2019Goalieas Executive Producermovie2019State Like Sleepas Darrenmovie2018The Front Runneras Billy Shoremovie2018Bad Times at the El Royaleas Larsen Rogersmovie2018Kinas Jakemovie2018The Darkest Mindsas Rob Meadowsmovie2018How It Endsas Jeremiahmovie2018Anonas Cyrus Frearmovie2018Parallelas Joshmovie2017The Last Tycoonas Max Minertv2016Arrivalas Captain Marksmovie2016Wandereras Producermovie2016The Dark Strangeras Markmovie2015How to Plan an Orgy in a Small Townas Bruce Buckmovie2015Killjoysas Grayson Hickstv2015End of Days, Inc.as Jasonmovie2015Dennisas Producermovie2014Halt and Catch Fireas Tom Rendontv2013Hannibalas Randall Tiertv2013Sweetiefaceas Editormovie2012Beat Downas Michaelmovie2011Kathyas Directormovie2010Snarbuckledas Jacob O'Higginsmovie2010Bradas Editormovie2010Grown Up Movie Staras Willmovie2010Republic of Doyleas Des Courtneytv2009Mum's the Wordas Curtismovie2009Quiet at Dawnas Wattsmovie2009Warehouse 13as Jerry Hofflertv2009Cut from the Same Clothas Jack Cochranemovie2008Heartless Disappearance Into Labrador Seasas Charliemovie2008Epilogueas Henrymovie2008Pretty Girlsas Cinematographymovie2008The One That Got Awayas Tommy Palchekmovie2008The Four Horsemenas Eric RollinsmovieSoonThe Voices of Our Motheras WritermovieSoonThe Outer ThreatmovieSoonBetter Peopleas EditormovieSoonNice Peopleas Directormovie