Better People
Better People
TBA
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Mark O'Brien
Director & actor · born 7 May 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).
Where to start: Marriage Story (2019).
As director 8
As actor 41
Better People
Better People
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NewNice People
Nice People
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NewGood in the Room
Good in the Room
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Little One
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Soma
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The Outer Threat
2026 · 5.5/10
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The Voices of Our Mother
2026 · 6.4/10
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Nuremberg
2025 · 7.6/10
Worth the Hype
The Memory Keeper
2025 · 7.0/10
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Shadow of God
2025 · 5.6/10
Snoozefest
Seven Veils
2025 · 5.5/10
Snoozefest
Topper
2025 · 5.3/10
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Blue Bayou
2021 · 7.4/10
Worth the Hype
The Righteous
2021 · 6.3/10
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Hammer
2019 · 5.5/10
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Marriage Story
2019 · 7.7/10
Worth the Hype
Ready or Not
2019 · 7.1/10
Worth the Hype
Goalie
2019 · 6.8/10
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State Like Sleep
2019 · 4.6/10
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The Front Runner
2018 · 5.9/10
Snoozefest
Bad Times at the El Royale
2018 · 6.8/10
Popcorn Flick
Kin
2018 · 6.1/10
Popcorn Flick
The Darkest Minds
2018 · 7.0/10
Worth the Hype
How It Ends
2018 · 5.3/10
Snoozefest
Anon
2018 · 6.0/10
Popcorn Flick
Parallel
2018 · 6.0/10
Popcorn Flick
Arrival
2016 · 7.6/10
Worth the Hype
Wanderer
2016 · 5.0/10
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The Dark Stranger
2016 · 4.9/10
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How to Plan an Orgy in a Small Town
2015 · 5.1/10
Snoozefest
End of Days, Inc.
2015 · 5.8/10
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Dennis
2015
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Beat Down
2012
NewBrad
Brad
2010
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Grown Up Movie Star
2010 · 5.1/10
NewQuiet at Dawn
Quiet at Dawn
2009
NewCut from the Same Cloth
Cut from the Same Cloth
2009
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Heartless Disappearance Into Labrador Seas
2008
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Epilogue
2008
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The One That Got Away
2008 · 4.3/10
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The Four Horsemen
2008 · 6.0/10
NewTV shows 11
The Copenhagen Test
TV · 2025 · 6.5/10
Popcorn Flick
61st Street
TV · 2022 · 6.2/10
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Your Honor
TV · 2020 · 8.0/10
Absolute Cinema
Perry Mason
TV · 2020 · 7.2/10
Worth the Hype
City on a Hill
TV · 2019 · 7.3/10
Worth the Hype
The Last Tycoon
TV · 2017 · 7.0/10
Worth the Hype
Killjoys
TV · 2015 · 6.9/10
Popcorn Flick
Halt and Catch Fire
TV · 2014 · 7.9/10
Absolute Cinema
Hannibal
TV · 2013 · 8.3/10
Absolute Cinema
Republic of Doyle
TV · 2010 · 7.0/10
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Warehouse 13
TV · 2009 · 7.7/10
Worth the HypeFrequently asked questions
What is the best Mark O'Brien movie?
By viewer score, Marriage Story (2019) at 7.7/10.
What are Mark O'Brien’s most popular movies?
Arrival, Marriage Story, Ready or Not.
How many movies has Mark O'Brien made?
49 films on TMDB, 8 as director, 41 as actor.