Mark O'Brien
Known for: Acting
Born: May 6, 1984 in 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).
Known for
Showing 24 of 56 titles
5.6
MOVIE
Seven Veils
Paul
2025
Drama
3.8
MOVIE
The Four Horsemen
Eric Rollins
2008
Drama
5.1
MOVIE
Grown Up Movie Star
Will
2010
Drama
0.0
MOVIE
Cut from the Same Cloth
Jack Cochrane
2008
Drama
0.0
MOVIE
Heartless Disappearance Into Labrador Seas
Charlie
2008
Drama
5.7
MOVIE
Shadow of God
Mason Harper
2025
Horror
0.0
MOVIE
Snarbuckled
Jacob O'Higgins
2010
Drama
4.9
MOVIE
The Dark Stranger
Mark
2016
Drama
7.4
MOVIE
Nuremberg
Colonel John Amen
2025
History
5.7
MOVIE
End of Days, Inc.
Jason
2015
Comedy
0.0
MOVIE
The Voices of Our Mother
William
N/A
Horror
0.0
MOVIE
Beat Down
Michael
2012
Comedy
7.6
MOVIE
Arrival
Captain Marks
2016
Drama
6.0
MOVIE
Anon
Cyrus Frear
2018
Sci-Fi
4.7
MOVIE
State Like Sleep
Darren
2019
Drama
6.1
MOVIE
Kin
Jake
2018
Sci-Fi
6.0
MOVIE
Parallel
Josh
2018
Sci-Fi
7.0
MOVIE
The Darkest Minds
Rob Meadows
2018
Action
5.1
MOVIE
How to Plan an Orgy in a Small Town
Bruce Buck
2015
Drama
6.8
MOVIE
Bad Times at the El Royale
Larsen Rogers
2018
Thriller
7.7
MOVIE
Marriage Story
Carter Mitchum
2019
Drama
5.9
MOVIE
The Front Runner
Billy Shore
2018
Drama
5.3
MOVIE
How It Ends
Jeremiah
2018
Sci-Fi
7.0
MOVIE
Goalie
Terry Sawchuk
2019
Drama