
Personal Info
Gender:Unspecified
Birth Date:1984-05-07 00:00:00
Birth Place: St. Johns, Newfoundland, Canada
Known For:Acting
Popularity:1
Profile Views:8
Mark O'Brien
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).
Filmography (40)
⭐ 6.2

The Righteous
executive producer2021

Dennis
producer2015
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Brad
editor2010
⭐ 5.7

Shadow of God
Role: Mason Harper2025
⭐ 5.7

End of Days, Inc.
Role: Jason2015
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Brad
producer2010

Kathy
director2011

The Voices of Our Mother
writer2026

The Voices of Our Mother
director2026
⭐ 3.8

The Four Horsemen
Role: Eric Rollins2008
⭐ 6.2

The Righteous
director2021
⭐ 6.2

The Righteous
Role: Aaron Smith2021
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Mum's the Word
Role: Curtis2009
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Brad
Role: Brad2010

Dennis
Role: Dennis2015

Falsehood
Role: Elizeus Carrier2025
⭐ 6.2

The Righteous
writer2021
⭐ 5.3

Topper
Role: Topper2025

Wanderer
producer2016
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Nice People
director2026
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Pretty Girls
cinematography2008
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Pretty Girls
editor2008
⭐ 6

Parallel
Role: Josh2018
⭐ 6.9

Goalie
Role: Terry Sawchuk2019
⭐ 6.9

Goalie
executive producer2019
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Pretty Girls
writer2008
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Pretty Girls
director2008
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Sweetieface
editor2013
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Sweetieface
producer2013
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Sweetieface
director2013
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Better People
editor2026
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Better People
writer2026

Wanderer
Role: Eric2016

Wanderer
director2016
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Better People
director2026
⭐ 5.4

Hammer
Role: Chris Davis2019
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Epilogue
Role: Henry2008
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The Outer Threat
actor2026
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Better People
Role: John2026
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Sweetieface
Role: Sam2013