05/07/1984
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).
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Nuremberg (2025) as Colonel John Amen |
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The Memory Keeper (2025) as Elizeus Carrier |
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Shadow of God (2025) as Mason Harper |
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Seven Veils (2025) as Paul |
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Topper (2025) as Topper |
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Blue Bayou (2021) as Ace |
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The Righteous (2021) as Aaron Smith |
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Hammer (2019) as Chris Davis |
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Marriage Story (2019) as Carter Mitchum |
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Ready or Not (2019) as Alex Le Domas |
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Goalie (2019) as Terry Sawchuk |
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State Like Sleep (2019) as Darren |
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The Front Runner (2018) as Billy Shore |
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Bad Times at the El Royale (2018) as Larsen Rogers |
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Kin (2018) as Jake |
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The Darkest Minds (2018) as Rob Meadows |
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How It Ends (2018) as Jeremiah |
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Anon (2018) as Cyrus Frear |
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Parallel (2018) as Josh |
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Arrival (2016) as Captain Marks |
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Wanderer (2016) as Eric |
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The Dark Stranger (2016) as Mark |
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How to Plan an Orgy in a Small Town (2015) as Bruce Buck |
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End of Days, Inc. (2015) as Jason |
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Dennis (2015) as Dennis |
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Sweetieface (2013) as Sam |
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Beat Down (2012) as Michael |
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Snarbuckled (2010) as Jacob O'Higgins |
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Brad (2010) as Brad |
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Grown Up Movie Star (2010) as Will |
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Mum's the Word (2009) as Curtis |
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Quiet at Dawn (2009) as Watts |
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Cut from the Same Cloth (2009) as Jack Cochrane |
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Heartless Disappearance Into Labrador Seas (2008) as Charlie |
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Epilogue (2008) as Henry |
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The One That Got Away (2008) as Tommy Palchek |
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The Four Horsemen (2008) as Eric Rollins |
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Better People () as John |
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The Voices of Our Mother () as William |
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Nice People () as |
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The Outer Threat () as |
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The Righteous (2021) Writer |
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The Righteous (2021) Director |
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The Righteous (2021) Executive Producer |
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Goalie (2019) Executive Producer |
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Wanderer (2016) Director |
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Wanderer (2016) Producer |
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Dennis (2015) Producer |
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Sweetieface (2013) Director |
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Sweetieface (2013) Producer |
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Sweetieface (2013) Editor |
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Kathy (2011) Director |
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Brad (2010) Producer |
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Brad (2010) Editor |
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Pretty Girls (2008) Director |
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Pretty Girls (2008) Writer |
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Pretty Girls (2008) Editor |
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Pretty Girls (2008) Cinematography |
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Better People () Director |
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Better People () Writer |
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Better People () Editor |
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The Voices of Our Mother () Director |
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The Voices of Our Mother () Writer |
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Nice People () Director |