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Mark O'Brien

Mark O'Brien

Actor | Director | Writer

Mark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.

Actor

61st Street

61st Street
Blue Bayou

Blue Bayou
The Righteous

The Righteous
Goalie

Goalie
Hammer

Hammer
Ready or Not

Ready or Not
City on a Hill

City on a Hill
Anon

Anon
Parallel

Parallel
The Dark Stranger

The Dark Stranger
End of Days, Inc.

End of Days, Inc.
Republic of Doyle

Republic of Doyle
Grown Up Movie Star

Grown Up Movie Star
Heartless Disappearance Into Labrador Seas

Heartless Disappearance Into Labrador Seas
The Four Horsemen

The Four Horsemen
Breathing Lessons: The Life and Work of Mark O'Brien

Breathing Lessons: The Life and Work of Mark O'Brien

Director

The Righteous

The Righteous
Wanderer

Wanderer

Writer

The Righteous

The Righteous