Mark O'Brien
ActingBorn 1984-05-07 (42) St. Johns, Newfoundland, Canada
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
Hannibal
2013
Warehouse 13
2009
Arrival
2016
Halt and Catch Fire
2014
Ready or Not
2019
Perry Mason
2020
Nuremberg
2025
City on a Hill
2019
Republic of Doyle
2010
Killjoys
2015
Your Honor
2020
Bad Times at the El Royale
2018
The Copenhagen Test
2025
Marriage Story
2019
How It Ends
2018
The Darkest Minds
2018
The Last Tycoon
2017
61st Street
2022
The Sticky
2024
The Outer Threat
2026
Anon
2018
Parallel
2018
Kin
2018