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).
Mark O'Brien
Known For
Career Timeline
- 2026The Voices of Our Mother
William • Acting
- 2025Nuremberg
Colonel John Amen • Acting
- 2025Seven Veils
Paul • Acting
- 2025Shadow of God
Mason Harper • Acting
- 2025The Memory Keeper
Elizeus Carrier • Acting
- 2025Topper
Topper • Acting
- 2021Blue Bayou
Ace • Acting
- 2021The Righteous
Aaron Smith • Acting