Mark O'Brien
Acting
1984-05-07
St. Johns, Newfoundland, Canada
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).
Acting47 credits
6.6The Copenhagen Test
2025 · TV
5.7Shadow of God
2025
5.5Seven Veils
2025
7.2The Sticky
2024 · TV
6.261st Street
2022 · TV
7.4Blue Bayou
2021
6.3The Righteous
2021
Directing4 credits
Production4 credits
6.3The Righteous
2021
