CINELOG Movie Tracker & Quiz
Login Go to App
← Back
Profile photo of Mark O'Brien - CineLog Actor Database

Mark O'Brien

Born: 1984-05-07

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).

Films starring Mark O'Brien

Nuremberg
On Watchlist
Nuremberg
3.7
2025
Community Rated
Arrival
On Watchlist
Arrival
3.9
2016
Community Rated
Ready or Not
On Watchlist
Ready or Not
3.8
2019
Marriage Story
On Watchlist
Marriage Story
3.9
2019
Bad Times at the El Royale
On Watchlist
Bad Times at the El Royale
3.4
2018
The Darkest Minds
On Watchlist
The Darkest Minds
3.5
2018
How It Ends
On Watchlist
How It Ends
2.6
2018
Shadow of God
On Watchlist
Shadow of God
2.9
2025
Falsehood
On Watchlist
Falsehood
0.0
2025
Anon
On Watchlist
Anon
3.0
2018
Kin
On Watchlist
Kin
3.1
2018
Seven Veils
On Watchlist
Seven Veils
2.8
2025
Parallel
On Watchlist
Parallel
3.0
2018
The Front Runner
On Watchlist
The Front Runner
3.0
2018
Quiet at Dawn
On Watchlist
Quiet at Dawn
0.0
2009
Brad
On Watchlist
Brad
0.0
2010
Dennis
On Watchlist
Dennis
0.0
2015
Wanderer
On Watchlist
Wanderer
0.0
2016
How to Plan an Orgy in a Small Town
On Watchlist
How to Plan an Orgy in a Small Town
2.5
2015
The Four Horsemen
On Watchlist
The Four Horsemen
1.9
2008
Back Next