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).
TV credits
Rated 6.6 out of 10
The Copenhagen Test
2025
Rated 7.2 out of 10
The Sticky
2024
Rated 6.2 out of 10
61st Street
2022
Rated 8.1 out of 10
Your Honor
2020
Rated 7.2 out of 10
Perry Mason
2020
Rated 6.3 out of 10
The Kelly Clarkson Show
2019
Rated 7.3 out of 10
City on a Hill
2019
Rated 7.0 out of 10
The Last Tycoon
2017
Rated 6.8 out of 10
Killjoys
2015
Rated 7.9 out of 10
Halt and Catch Fire
2014
Rated 8.3 out of 10
Hannibal
2013
Rated 7.0 out of 10
Republic of Doyle
2010
Rated 7.7 out of 10
Warehouse 13
2009