Arrival
Captain Marks
The people behind our stories
Mark O'Brien
Acting
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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).
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44 acting credits · Includes cameos and other appearances where listed.
Ready or Not
Alex
Marriage Story
Carter Mitchum
Nuremberg
Colonel John Amen
The Darkest Minds
Rob Meadows
Bad Times at the El Royale
Larsen Rogers
The Front Runner
Billy Shore
How It Ends
Jeremiah
Kin
Jake
Blue Bayou
Ace
The Outer Threat
Daniel Ashford
Anon
Cyrus Frear
Shadow of God
Mason Harper
Seven Veils
Paul
Parallel
Josh
How to Plan an Orgy in a Small Town
Bruce Buck
Little One
Cast
The Voices of Our Mother
William
End of Days, Inc.
Jason
Beat Down
Michael
The Memory Keeper
Elizeus Carrier
The Four Horsemen
Eric Rollins
State Like Sleep
Darren
The One That Got Away
Tommy Palchek
Goalie
Terry Sawchuk
Dennis
Dennis
The Righteous
Aaron Smith
Topper
Topper
Hammer
Chris Davis
Wanderer
Eric
Cut from the Same Cloth
Cut from the Same Cloth
Jack Cochrane
Snarbuckled
Jacob O'Higgins