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).
Born: 07 May 1984
Played In
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
Sweetieface
Sam
Beat Down
Michael
Snarbuckled
Jacob O'Higgins
Brad
Brad
Grown Up Movie Star
Will
Republic of Doyle
Des Courtney
Mum's the Word
Curtis
Quiet at Dawn
Watts
Warehouse 13
Jerry Hoffler
Cut from the Same Cloth
Jack Cochrane
Heartless Disappearance Into Labrador Seas
Charlie
Epilogue
Henry
The One That Got Away
Tommy Palchek
The Four Horsemen
Eric Rollins
The Outer Threat
Better People
John
Nice People
Good in the Room
Charlie
Little One