Mark O'Brien
1984-05-07 (1984) St. Johns, Newfoundland, CanadaActing
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).
Known For
The Kelly Clarkson Show
TV • 2019
Warehouse 13
TV • 2009
Hannibal
TV • 2013
Nuremberg
MOVIE • 2025
Republic of Doyle
TV • 2010
Halt and Catch Fire
TV • 2014
Ready or Not
MOVIE • 2019
Perry Mason
TV • 2020
Killjoys
TV • 2015
Your Honor
TV • 2020
Arrival
MOVIE • 2016
City on a Hill
TV • 2019
The Copenhagen Test
TV • 2025
Marriage Story
MOVIE • 2019
The Sticky
TV • 2024
61st Street
TV • 2022
The Last Tycoon
TV • 2017
The Darkest Minds
MOVIE • 2018