Person
Mark O'Brien
- Known for
- Acting
- Birthday
- 1984-05-07
- Place of birth
- St. Johns, Newfoundland, Canada
- Gender
- Male
- Popularity
- 2
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
Ready or Not
2019 · 7.1
Arrival
2016 · 7.6
Nuremberg
2025 · 7.6
Marriage Story
2019 · 7.7
The Darkest Minds
2018 · 7.0
Bad Times at the El Royale
2018 · 6.8
How It Ends
2018 · 5.3
Kin
2018 · 6.1
Anon
2018 · 6.0
The Outer Threat
2026 · 5.7
Parallel
2018 · 6.0
Blue Bayou
2021 · 7.4
The Front Runner
2018 · 5.9
Seven Veils
2025 · 5.7
The Memory Keeper
2025
How to Plan an Orgy in a Small Town
2015 · 5.1
Shadow of God
2025 · 5.7
Beat Down
2012
The Voices of Our Mother
2026 · 6.4
Little One
TBA
The Four Horsemen
2008 · 5.8
Dennis
2015
Goalie
2019 · 6.8
The Dark Stranger
2016 · 4.9
Hammer
2019 · 5.4
State Like Sleep
2019 · 4.7
The Righteous
2021 · 6.3
The One That Got Away
2008 · 4.3
Wanderer
2016
End of Days, Inc.
2015 · 5.8
Topper
2025 · 5.3
Grown Up Movie Star
2010 · 5.1
Heartless Disappearance Into Labrador Seas
2008
Snarbuckled
2010