Plex
Mark O'Brien

Mark O'Brien

  • Born on
    • May 7th, 1984
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.

Starring Mark O'Brien on Plex

Filmography

Acting (17 Credits)

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2021Blue Bayou as Ace
2019Hammer as Chris Davis
2019Ready or Not as Alex
2019Marriage Story as Carter Mitchum
2018Anon as Cyrus Frear
2018Parallel as Josh
2018State Like Sleep as Darren
2018How It Ends as Jeremiah
2018The Darkest Minds as Rob Meadows
2018Bad Times at the El Royale as Larsen Rogers
2018The Front Runner as Billy Shore
2018Kin as Jake
2016Arrival as Captain Marks
2016The Last Tycoon as Max Miner
2015The Dark Stranger as MarkWatch Free
2015How to Plan an Orgy in a Small Town as Bruce Buck
2010Republic of Doyle as Des CourtneyWatch Free

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