Mark O'Brien
Known for ActingBorn 1984-05-07 (age 42) 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).Read more
Movies & web series
★ 8.3Find where to watch →
Hannibal
2013 · Series
★ 8.1Find where to watch →
Your Honor
2020 · Series
★ 7.9Find where to watch →
Halt and Catch Fire
2014 · Series
★ 7.7Find where to watch →
Marriage Story
2019 · Movie
★ 7.6Find where to watch →
Arrival
2016 · Movie
★ 7.7Find where to watch →
Warehouse 13
2009 · Series
★ 7.5Find where to watch →
Nuremberg
2025 · Movie
★ 7.4Find where to watch →
Blue Bayou
2021 · Movie
★ 7.3Find where to watch →
City on a Hill
2019 · Series
★ 7.2Find where to watch →
The Sticky
2024 · Series
★ 7.2Find where to watch →
Perry Mason
2020 · Series
★ 7.1Find where to watch →
Ready or Not
2019 · Movie
★ 7.0Find where to watch →
The Darkest Minds
2018 · Movie
★ 7.0Find where to watch →
The Last Tycoon
2017 · Series
★ 6.9Find where to watch →
61st Street
2022 · Series
★ 7.0Find where to watch →
Republic of Doyle
2010 · Series
★ 6.9Find where to watch →
Goalie
2019 · Movie
★ 6.9Find where to watch →
Killjoys
2015 · Series
★ 6.8Find where to watch →
Bad Times at the El Royale
2018 · Movie
★ 6.5Find where to watch →
The Copenhagen Test
2025 · Series
★ 6.4Find where to watch →
The Kelly Clarkson Show
2019 · Series
★ 6.2Find where to watch →
The Righteous
2021 · Movie
★ 6.1Find where to watch →
Kin
2018 · Movie
★ 6.0Find where to watch →
Anon
2018 · Movie
★ 6.0Find where to watch →
Parallel
2018 · Movie
★ 5.9Find where to watch →
The Front Runner
2018 · Movie
★ 5.7Find where to watch →
Shadow of God
2025 · Movie
★ 5.6Find where to watch →
Seven Veils
2025 · Movie
★ 5.7Find where to watch →
End of Days, Inc.
2015 · Movie
★ 5.4Find where to watch →
Hammer
2019 · Movie
★ 5.3Find where to watch →
Topper
2025 · Movie
★ 5.3Find where to watch →
How It Ends
2018 · Movie
★ 5.1Find where to watch →
How to Plan an Orgy in a Small Town
2015 · Movie
★ 5.1Find where to watch →
Grown Up Movie Star
2010 · Movie
★ 4.9Find where to watch →
The Dark Stranger
2016 · Movie
★ 4.7Find where to watch →
State Like Sleep
2019 · Movie
★ 4.3Find where to watch →
The One That Got Away
2008 · Movie
★ 3.8Find where to watch →
The Four Horsemen
2008 · Movie
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The Voices of Our Mother
2026 · Movie
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The Memory Keeper
2025 · Movie
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Wanderer
2016 · Movie
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Dennis
2015 · Movie
Sweetieface
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Sweetieface
2013 · Movie
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Beat Down
2012 · Movie
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Kathy
2011 · Movie
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Snarbuckled
2010 · Movie
Brad
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Brad
2010 · Movie
Cut from the Same Cloth
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Cut from the Same Cloth
2009 · Movie