Mark O'Brien
Acting
Born May 7, 1984
From St. Johns, Newfoundland, Canada
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).
Filmography
The Outer Threat
20266.2
The Voices of Our Mother
William
20266.4
Nuremberg
Colonel John Amen
20257.6
The Memory Keeper
Elizeus Carrier
2025
Shadow of God
Mason Harper
20255.7
Seven Veils
Paul
20255.7
Topper
Topper
20255.3
Blue Bayou
Ace
20217.4
The Righteous
Aaron Smith
20216.3
Hammer
Chris Davis
20195.4
Marriage Story
Carter Mitchum
20197.7
Ready or Not
Alex
20197.1
Goalie
Terry Sawchuk
20196.8
State Like Sleep
Darren
20194.7
The Front Runner
Billy Shore
20185.9
Bad Times at the El Royale
Larsen Rogers
20186.8
Kin
Jake
20186.1
The Darkest Minds
Rob Meadows
20187.0
How It Ends
Jeremiah
20185.3
Anon
Cyrus Frear
20186.0
Parallel
Josh
20186.0
Arrival
Captain Marks
20167.6
Wanderer
Eric
2016
The Dark Stranger
Mark
20164.9
How to Plan an Orgy in a Small Town
Bruce Buck
20155.1
End of Days, Inc.
Jason
20155.8
Dennis
Dennis
2015
—
Sweetieface
Sam
2013
Beat Down
Michael
2012
Snarbuckled
Jacob O'Higgins
2010
—
Brad
Brad
2010
Grown Up Movie Star
Will
20105.1
—
Mum's the Word
Curtis
2009
—
Quiet at Dawn
Watts
2009
—
Cut from the Same Cloth
Jack Cochrane
2009
Heartless Disappearance Into Labrador Seas
Charlie
2008
—
Epilogue
Henry
2008
The One That Got Away
Tommy Palchek
20084.3
The Four Horsemen
Eric Rollins
20084.6
—
Better People
John
N/A
—
Nice People
N/A
—
Good in the Room
Charlie
N/A
Little One
N/A