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
2026
- The Voices of Our Mother as William
2025
- Nuremberg as Colonel John Amen
- The Copenhagen Test as Edmund Cobb
- Seven Veils as Paul
- Shadow of God as Mason Harper
- Topper as Topper
- The Memory Keeper as Elizeus Carrier
2024
- The Sticky as Charlie
2022
- 61st Street as Officer Logan
2021
- Blue Bayou as Ace
- The Righteous as Aaron Smith
2020
- Perry Mason as Thomas Milligan
- Your Honor as Father Jay
2019
- The Kelly Clarkson Show as Self
- Ready or Not as Alex
- City on a Hill as Jimmy Ryan
- Marriage Story as Carter Mitchum
- Hammer as Chris Davis
- Goalie as Terry Sawchuk
- State Like Sleep as Darren
2018
- Bad Times at the El Royale as Larsen Rogers
- The Darkest Minds as Rob Meadows
- How It Ends as Jeremiah
- Kin as Jake
- Anon as Cyrus Frear
- Parallel as Josh
- The Front Runner as Billy Shore
2017
- The Last Tycoon as Max Miner
2016
- Arrival as Captain Marks
- The Dark Stranger as Mark
- Wanderer as Eric
2015
- Killjoys as Grayson Hicks
- How to Plan an Orgy in a Small Town as Bruce Buck
- 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
- Grown Up Movie Star as Will
- Brad as Brad
- Snarbuckled as Jacob O'Higgins
2009
- Warehouse 13 as Jerry Hoffler
- Mum's the Word as Curtis
- Cut from the Same Cloth as Jack Cochrane
- Quiet at Dawn as Watts
2008
- Heartless Disappearance Into Labrador Seas as Charlie
- The Four Horsemen as Eric Rollins
- The One That Got Away as Tommy Palchek
- Epilogue as Henry
- Pretty Girls ... (Director)