Mark O'Brien
Actor · Director · WriterMark 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).
More details at TMDB
KNOWN FOR
FILMOGRAPHY
ACTOR43
The Voices of Our Mother
2026
William
The Outer Threat
2026
Seven Veils
2025
Paul
Shadow of God
2025
Mason Harper
Nuremberg
2025
Colonel John Amen
The Memory Keeper
2025
Elizeus Carrier
Topper
2025
Topper
Blue Bayou
2021
Ace
The Righteous
2021
Aaron Smith
State Like Sleep
2019
Darren
Marriage Story
2019
Carter Mitchum
Goalie
2019
Terry Sawchuk
Hammer
2019
Chris Davis
Ready or Not
2019
Alex
Anon
2018
Cyrus Frear
Kin
2018
Jake
Parallel
2018
Josh
The Darkest Minds
2018
Rob Meadows
Bad Times at the El Royale
2018
Larsen Rogers
The Front Runner
2018
Billy Shore
How It Ends
2018
Jeremiah
The Dark Stranger
2016
Mark
Arrival
2016
Captain Marks
Wanderer
2016
Eric
End of Days, Inc.
2015
Jason
How to Plan an Orgy in a Small Town
2015
Bruce Buck
Dennis
2015
Dennis
- Sweetieface
Sweetieface
2013
Sam
Beat Down
2012
Michael
Grown Up Movie Star
2010
Will
Snarbuckled
2010
Jacob O'Higgins
- Brad
Brad
2010
Brad
- Cut from the Same Cloth
Cut from the Same Cloth
2009
Jack Cochrane
- Mum's the Word
Mum's the Word
2009
Curtis
- Quiet at Dawn
Quiet at Dawn
2009
Watts
The Four Horsemen
2008
Eric Rollins
Heartless Disappearance Into Labrador Seas
2008
Charlie
- Epilogue
Epilogue
2008
Henry
The One That Got Away
2008
Tommy Palchek
- Better People
Better People
John
- Nice People
Nice People
- Good in the Room
Good in the Room
Charlie
Little One
