Mark O'Brien
Born: 1984-05-07 in St. Johns, Newfoundland, Canada
Known For: Acting
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).
Filmography
2025
- Nuremberg as Colonel John Amen
- The Copenhagen Test as Cobb
- Shadow of God as Mason Harper
- Topper as Topper
- Seven Veils as Paul
- Falsehood as Elizeus Carrier
2024
- The Sticky as Charlie
2022
- 61st Street as Officer Logan
2021
- The Righteous as Aaron Smith
- Blue Bayou as Ace
2020
- Perry Mason as Thomas Milligan
- Your Honor as Father Jay
2019
- The Kelly Clarkson Show as Self
- Ready or Not as Alex Le Domas
- Marriage Story as Carter Mitchum
- City on a Hill as Jimmy Ryan
- Goalie as Terry Sawchuk
- Hammer as Chris Davis
- State Like Sleep as Darren
2018
- How It Ends as Jeremiah
- The Darkest Minds as Rob Meadows
- Kin as Jake
- Bad Times at the El Royale as Larsen Rogers
- Anon as Cyrus Frear
- The Front Runner as Billy Shore
- Parallel as Josh
2017
- The Last Tycoon as Max Miner
2016
- Arrival as Captain Marks
- Wanderer as Eric
- The Dark Stranger as Mark
2015
- How to Plan an Orgy in a Small Town as Bruce Buck
- Killjoys as Grayson Hicks
- End of Days, Inc. as Jason
- Dennis as Dennis
2014
- Halt and Catch Fire as Tom Rendon
2013
- Hannibal as Randall Tier
- Sweetieface as Sam
2012
- Beat Down as Michael
2011
- Kathy ... (Director)
2010
- Republic of Doyle as Des Courtney
- Snarbuckled as Jacob O'Higgins
- Brad as Brad
2009
- Warehouse 13 as Jerry Hoffler
- Cut from the Same Cloth as Jack Cochrane
- Mum's the Word as Curtis
- Grown Up Movie Star as Will
- Quiet at Dawn as Watts
2008
- Heartless Disappearance Into Labrador Seas as Charlie
- The One That Got Away as Tommy Palchek
- The Four Horsemen as Eric Rollins
- Epilogue as Henry
- Pretty Girls ... (Director)