Mark O'Brien
Acting
🎂 Born May 7, 1984 (42)
📍 St. Johns, Newfoundland, Canada
🎬 Top Film in the Horror Vault
Ready or Not
2019
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).
Photos
Horror Films (5)
☠ 7.0
Ready or Not
2019 · 96m
Comedy HorrorWitchcraft & Occult
IMDb 6.9· RT 89%
☠ 6.3
Parallel
2018 · 104m
PsychologicalSci-Fi Horror
IMDb 5.9· RT 82%
☠ 5.9
Anon
2018 · 100m
PsychologicalSci-Fi Horror
IMDb 6.1· RT 38%
☠ 5.0
Shadow of God
2025 · 87m
Demonic & PossessionSupernatural
IMDb 3.9
☠ 4.8
The Dark Stranger
2016 · 90m
PsychologicalSupernatural
IMDb 4.5· RT 20%