Mark O'Brien
Acting
Born: 1984-05-07 in 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).
Known For
The Kelly Clarkson Show
Self
Hannibal
Randall Tier
Warehouse 13
Jerry Hoffler
Arrival
Captain Marks
Perry Mason
Thomas Milligan
Ready or Not
Alex
Halt and Catch Fire
Tom Rendon
Your Honor
Father Jay
Republic of Doyle
Des Courtney
Killjoys
Grayson Hicks
Nuremberg
Colonel John Amen
City on a Hill
Jimmy Ryan
The Copenhagen Test
Edmund Cobb
Bad Times at the El Royale
Larsen Rogers
Marriage Story
Carter Mitchum
61st Street
Officer Logan
The Darkest Minds
Rob Meadows
How It Ends
Jeremiah
The Sticky
Charlie
The Last Tycoon
Max Miner
Anon
Cyrus Frear
The Outer Threat
Daniel Ashford
Seven Veils
Paul
The Front Runner
Billy Shore
Blue Bayou
Ace
Kin
Jake
Beat Down
Michael
Shadow of God
Mason Harper
Parallel
Josh
The Dark Stranger
Mark
Little One
How to Plan an Orgy in a Small Town
Bruce Buck
The Memory Keeper
Elizeus Carrier
Dennis
Dennis
Hammer
Chris Davis
State Like Sleep
Darren
End of Days, Inc.
Jason