Acting
Mark O'Brien
Born 1984-05-07· 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
Full filmography
Warehouse 13
2009
SCI-FI
Hannibal
2013
DRAMA
Arrival
2016
DRAMA
Killjoys
2015
ACTION
Republic of Doyle
2010
COMEDY
Perry Mason
2020
DRAMA
Halt and Catch Fire
2014
DRAMA
Ready or Not
2019
HORROR
Nuremberg
2025
HISTORY
Your Honor
2020
DRAMA
City on a Hill
2019
CRIME
Marriage Story
2019
DRAMA
Bad Times at the El Royale
2018
THRILLER
The Copenhagen Test
2025
ACTION
61st Street
2022
DRAMA
The Darkest Minds
2018
ACTION
The Last Tycoon
2017
DRAMA
How It Ends
2018
SCI-FI
The Front Runner
2018
DRAMA
The Sticky
2024
COMEDY
Blue Bayou
2021
DRAMA
Anon
2018
SCI-FI
Kin
2018
SCI-FI
Shadow of God
2025
HORROR
Seven Veils
2025
DRAMA
Parallel
2018
SCI-FI
How to Plan an Orgy in a Small Town
2015
DRAMA
State Like Sleep
2019
DRAMA