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Mark O'Brien
Acting
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
2019
Warehouse 13
2009
Nuremberg
2025
Hannibal
2013
Killjoys
2015
Perry Mason
2020
Halt and Catch Fire
2014
Arrival
2016
Ready or Not
2019
Your Honor
2020
The Copenhagen Test
2025
City on a Hill
2019
The Sticky
2024
Marriage Story
2019
The Last Tycoon
2017
Bad Times at the El Royale
2018
The Darkest Minds
2018
How It Ends
2018
Anon
2018
Kin
2018
The Front Runner
2018
Parallel
2018
How to Plan an Orgy in a Small Town
2015
Blue Bayou
2021
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