Mark O'Brien

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

Birth Location St. Johns, Newfoundland, Canada
Born 1984-05-07

Movies

Seven Veils as Paul
2023
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
2016
2015
Beat Down as Michael
2012
Snarbuckled as Jacob O'Higgins
2010
2009
Cut from the Same Cloth as Jack Cochrane
2009
The Four Horsemen as Eric Rollins
2008
Nuremberg as Col. John Amen
-
Shadow of God as Mason Harper
-

Movies

The Righteous Executive Producer
2021
The Righteous Director
2021
The Righteous Writer
2021
Goalie Executive Producer
2019
Wanderer Director
2016