Biography

Mark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.

Mark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.

Personal Info

Known For Acting

Gender Male

Known Credits 21

Birthday 1984-05-07

Place of Birth Canada

Official Site -

Also Known As

  • -

Acting TV ShowsMovies

2019 City on a Hill(0 episodes) as Jimmy Ryan
2019 Untitled Noah Baumbach Project as Carter
2018 The Front Runner as Billy Shore
2018 Bad Times at the El Royale
2018 Kin as Jake
2018 The Darkest Minds as Rob Meadows
2018 How It Ends as Jeremiah
2018 Anon as Cyrus Frear
2018 State Like Sleep as Darren
2017 Parallel as Josh
2016 Arrival as Captain Marks
2016 The Dark Stranger as Mark
2016 The Last Tycoon(9 episodes) as Max Miner
2015 How to Plan an Orgy in a Small Town as Bruce Buck
2015 Killjoys(1 episode) as Grayson Hicks
2015 End of Days, Inc. as Jason
2012 Beat Down as Father Tyrone
2012 Beat Down as Michael
2010 Republic of Doyle(78 episodes) as Des Courtney
2009 Grown Up Movie Star as Will
2008 The Four Horsemen as Eric Rollins

Directing

2016 WandererDirector

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