Actor
Mark O'Brien
Age 42 · Canada
Movies · 30
Arrival
2016 · ★ 7.6
as Captain Marks
Marriage Story
2019 · ★ 7.7
as Carter Mitchum
Ready or Not
2019 · ★ 7.1
as Alex
Bad Times at the El Royale
2018 · ★ 6.8
as Larsen Rogers
The Darkest Minds
2018 · ★ 7
as Rob Meadows
How It Ends
2018 · ★ 5.3
as Jeremiah
Anon
2018 · ★ 6
as Cyrus Frear
Nuremberg
2025 · ★ 7.6
as Colonel John Amen
Kin
2018 · ★ 6.1
as Jake
The Front Runner
2018 · ★ 5.9
as Billy Shore
Blue Bayou
2021 · ★ 7.4
as Ace
Parallel
2018 · ★ 6
as Josh
How to Plan an Orgy in a Small Town
2015 · ★ 5.1
as Bruce Buck
Seven Veils
2025 · ★ 5.4
as Paul
Shadow of God
2025 · ★ 5.6
as Mason Harper
The Outer Threat
2026 · ★ 5.8
as Daniel Ashford
State Like Sleep
2019 · ★ 4.6
as Darren
The Dark Stranger
2016 · ★ 4.9
as Mark
The Four Horsemen
2008 · ★ 6.1
as Eric Rollins
Hammer
2019 · ★ 5.3
as Chris Davis
The Righteous
2021 · ★ 6.3
as Aaron Smith
End of Days, Inc.
2015 · ★ 5.8
as Jason
Grown Up Movie Star
2010 · ★ 5.1
as Will
The Memory Keeper
2025
as Elizeus Carrier
The Voices of Our Mother
2026
as William
Goalie
2019
as Terry Sawchuk
Heartless Disappearance Into Labrador Seas
2008
as Charlie
The One That Got Away
2008
as Tommy Palchek
Little One
Topper
2025
as Topper
Movies from TMDB, TV roles from TVmaze (main cast only).