Actor · Born 1984
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).
Wanderer
2016 · as Eric
Where members put these films
The Outer Threat
2026 · as Daniel Ashford
The Voices of Our Mother
2026 · as William
Nuremberg
2025 · as Colonel John Amen
The Memory Keeper
2025 · as Elizeus Carrier
Shadow of God
2025 · as Mason Harper
Seven Veils
2025 · as Paul
Topper
2025 · as Topper
Blue Bayou
2021 · as Ace
The Righteous
2021 · as Aaron Smith
Hammer
2019 · as Chris Davis
Marriage Story
2019 · as Carter Mitchum
Ready or Not
2019 · as Alex