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Mark O'Brien
Born
May 7, 1984
Age 41
Place of Birth
St. Johns, Newfoundland, Canada
Known For
Acting
Gender
Male
Career Highlights
41
Movies
13
TV Shows
8
Directed
Also Known As
Mark O’Brien
IMDb Profile
Mark O'Brien
Acting
Biography
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).
Movies
41
TV Shows
13
Director
8
Nuremberg
as
Colonel John Amen
2025
Falsehood
as
Elizeus Carrier
2025
Shadow of God
as
Mason Harper
2025
Seven Veils
as
Paul
2025
Topper
as
Topper
2025
Blue Bayou
as
Ace
2021
The Righteous
as
Aaron Smith
2021
Hammer
as
Chris Davis
2019
Marriage Story
as
Carter Mitchum
2019
Ready or Not
as
Alex Le Domas
2019
Goalie
as
Terry Sawchuk
2019
State Like Sleep
as
Darren
2019
The Front Runner
as
Billy Shore
2018
Bad Times at the El Royale
as
Larsen Rogers
2018
Kin
as
Jake
2018
The Darkest Minds
as
Rob Meadows
2018
How It Ends
as
Jeremiah
2018
Anon
as
Cyrus Frear
2018
Parallel
as
Josh
2018
Arrival
as
Captain Marks
2016
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