Mark O'Brien
Acting
54 credits
Born
May 07, 1984 (41 years old)
Place of birth
St. Johns, Newfoundland, Canada
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).
Movies (41)
Movie
7.3
Nuremberg
2025
Movie
7.6
Arrival
2016
Movie
7.0
Ready or Not
2019
Movie
7.7
Marriage Story
2019
Movie
6.8
Bad Times at the El Royale
2018
Movie
7.0
The Darkest Minds
2018
Movie
6.1
Kin
2018
Movie
Falsehood
2025
Movie
6.0
Anon
2018
Movie
5.3
How It Ends
2018
Movie
6.0
Parallel
2018
Movie
5.7
Shadow of God
2025
Movie
Quiet at Dawn
2009
Movie
5.6
Seven Veils
2025
Movie
5.9
The Front Runner
2018
Movie
Brad
2010
Movie
Wanderer
2016
Movie
5.1
How to Plan an Orgy in a Small Town
2015
Shows (13)
Show
6.4
The Kelly Clarkson Show
2019
Show
7.7
Warehouse 13
2009
Show
8.3
Hannibal
2013
Show
7.9
Halt and Catch Fire
2014
Show
6.9
Killjoys
2015
Show
8.1
Your Honor
2020
Show
7.2
Perry Mason
2020
Show
7.0
Republic of Doyle
2010
Show
6.4
The Copenhagen Test
2025
Show
7.2
City on a Hill
2019
Show
7.0
The Last Tycoon
2017
Show
7.2
The Sticky
2024
Show
6.9
61st Street
2022
