Actor
Mark O'Brien
Filmography
The Outer Threat
2026
Actor
The Voices of Our Mother
2026
Director · Writer · Actor
Shadow of God
2025
Actor
Seven Veils
2025
Actor
Nuremberg
2025
Actor
The Copenhagen Test
2025
Actor
Topper
2025
Actor
The Memory Keeper
2025
Actor
Blue Bayou
2021
Actor
The Righteous
2021
Director · Writer · Actor
State Like Sleep
2019
Actor
Hammer
2019
Actor
Marriage Story
2019
Actor
Ready or Not
2019
Actor
Goalie
2019
Actor
The Front Runner
2018
Actor
Parallel
2018
Actor
How It Ends
2018
Actor
Bad Times at the El Royale
2018
Actor
Anon
2018
Actor
The Darkest Minds
2018
Actor
Kin
2018
Actor
The Last Tycoon
2017
Actor
The Dark Stranger
2016
Actor
Arrival
2016
Actor
Wanderer
2016
Director · Actor
End of Days, Inc.
2015
Actor
How to Plan an Orgy in a Small Town
2015
Actor
Dennis
2015
Actor
Sweetieface
2013
Director · Actor
Beat Down
2012
Actor
Kathy
2011
Director
Republic of Doyle
2010
Actor
Brad
2010
Actor
Snarbuckled
2010
Actor
Grown Up Movie Star
2009
Actor
Quiet at Dawn
2009
Actor
Mum's the Word
2009
Actor
Cut from the Same Cloth
2009
Actor
The Four Horsemen
2008
Actor
Pretty Girls
2008
Director · Writer
Epilogue
2008
Actor
Heartless Disappearance Into Labrador Seas
2008
Actor
The One That Got Away
2008
Actor
Stillwater
Actor
Good in the Room
Writer · Actor
Little One
Actor
Nice People
Director · Actor
Better People
Director · Writer · Actor
Soma
Actor