Mark O'Brien
Actor
Born May 7, 1984 in 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).
Filmography
Little One
The Outer Threat
The Voices of Our Mother
William
The Copenhagen Test
Edmund Cobb
Nuremberg
Colonel John Amen
The Memory Keeper
Elizeus Carrier
Shadow of God
Mason Harper
Seven Veils
Paul
Topper
Topper
The Sticky
Charlie
61st Street
Officer Logan
Blue Bayou
Ace
The Righteous
Aaron Smith
Your Honor
Father Jay
Perry Mason
Thomas Milligan
Hammer
Chris Davis
Marriage Story
Carter Mitchum
The Kelly Clarkson Show
Self
Ready or Not
Alex
City on a Hill
Jimmy Ryan
Goalie
Terry Sawchuk
State Like Sleep
Darren
The Front Runner
Billy Shore
Bad Times at the El Royale
Larsen Rogers
Kin
Jake
The Darkest Minds
Rob Meadows
How It Ends
Jeremiah
Anon
Cyrus Frear
Parallel
Josh
The Last Tycoon
Max Miner
Arrival
Captain Marks
Wanderer
Eric
The Dark Stranger
Mark
How to Plan an Orgy in a Small Town
Bruce Buck
Killjoys
Grayson Hicks
End of Days, Inc.
Jason
Dennis
Dennis
Halt and Catch Fire
Tom Rendon
Hannibal
Randall Tier
Beat Down
Michael
Kathy
Snarbuckled
Jacob O'Higgins
Grown Up Movie Star
Will
Republic of Doyle
Des Courtney
Warehouse 13
Jerry Hoffler
Heartless Disappearance Into Labrador Seas
Charlie
The One That Got Away
Tommy Palchek
The Four Horsemen
Eric Rollins