1984-05-07 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 | Colonel John Amen | 2025-11-07 |
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Seven Veils | Paul | 2025-03-07 |
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Topper | Topper | 2025-03-04 |
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Shadow of God | Mason Harper | 2025-03-26 |
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Blue Bayou | Ace | 2021-09-10 |
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The Righteous | Aaron Smith | 2021-08-15 |
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Marriage Story | Carter Mitchum | 2019-09-28 |
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State Like Sleep | Darren | 2019-01-04 |
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Goalie | Terry Sawchuk | 2019-03-01 |
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Hammer | Chris Davis | 2019-12-05 |
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Ready or Not | Alex Le Domas | 2019-08-21 |
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The Darkest Minds | Rob Meadows | 2018-07-25 |
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Parallel | Josh | 2018-04-10 |
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The Front Runner | Billy Shore | 2018-11-06 |
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How It Ends | Jeremiah | 2018-07-13 |
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Bad Times at the El Royale | Larsen Rogers | 2018-10-04 |
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Kin | Jake | 2018-08-29 |
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Anon | Cyrus Frear | 2018-05-03 |
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Arrival | Captain Marks | 2016-11-10 |
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The Dark Stranger | Mark | 2016-07-15 |
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Wanderer | Eric | 2016-10-04 |
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Dennis | Dennis | 2015-04-18 |
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End of Days, Inc. | Jason | 2015-04-24 |
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How to Plan an Orgy in a Small Town | Bruce Buck | 2015-09-19 |
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Sweetieface | Sam | 2013-01-01 |
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Beat Down | Michael | 2012-08-03 |
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Brad | Brad | 2010-07-24 |
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Snarbuckled | Jacob O'Higgins | 2010-09-18 |
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Quiet at Dawn | Watts | 2009-09-01 |
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Grown Up Movie Star | Will | 2009-10-20 |
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Mum's the Word | Curtis | 2009-10-23 |
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Cut from the Same Cloth | Jack Cochrane | 2009-01-01 |
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Heartless Disappearance Into Labrador Seas | Charlie | 2008-09-09 |
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The One That Got Away | Tommy Palchek | 2008-04-20 |
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The Four Horsemen | Eric Rollins | 2008-03-18 |
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Epilogue | Henry | 2008-06-27 |
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The Voices of Our Mother | William | |
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Falsehood | Elizeus Carrier | |
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Better People | John | |
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The Embers and the Stars |
