Mark O'Brien
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).

Top 10 collaborators

Roles

Match
Seven Veils (2023)
Paul
Blue Bayou (2021)
Ace
The Righteous (2021)
Aaron Smith
Hammer (2019)
Chris Davis
Marriage Story (2019)
Carter Mitchum
Ready or Not (2019)
Alex Le Domas
Goalie (2019)
Terry Sawchuk
State Like Sleep (2019)
Darren
The Front Runner (2018)
Billy Shore
Bad Times at the El Royale (2018)
Larsen Rogers
Kin (2018)
Jake
The Darkest Minds (2018)
Rob Meadows
How It Ends (2018)
Jeremiah
Anon (2018)
Cyrus Frear
Parallel (2018)
Josh
Arrival (2016)
Captain Marks
The Dark Stranger (2016)
Mark
How to Plan an Orgy in a Small Town (2015)
Bruce Buck
End of Days, Inc. (2015)
Jason
Beat Down (2012)
Michael
Snarbuckled (2010)
Jacob O'Higgins
Grown Up Movie Star (2009)
Will
Cut from the Same Cloth (2009)
Jack Cochrane
Heartless Disappearance Into Labrador Seas (2008)
Charlie
The Four Horsemen (2008)
Eric Rollins

Crew

The Righteous (2021)
Writer | Director | Executive Producer
Goalie (2019)
Executive Producer
Wanderer (2016)
Director