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Mark O'Brien

Mark O'Brien

Actor | Director

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).

Actor

The Outer Threat

The Outer Threat
The Copenhagen Test

The Copenhagen Test
Nuremberg

Nuremberg
Seven Veils

Seven Veils
61st Street

61st Street
Blue Bayou

Blue Bayou
The Righteous

The Righteous
Goalie

Goalie
Hammer

Hammer
Marriage Story

Marriage Story
Ready or Not

Ready or Not
City on a Hill

City on a Hill
The Front Runner

The Front Runner
Anon

Anon
Parallel

Parallel
The Dark Stranger

The Dark Stranger
Heartless Disappearance Into Labrador Seas

Heartless Disappearance Into Labrador Seas
The Four Horsemen

The Four Horsemen

Director

Wanderer

Wanderer

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