Acting
Mark O'Brien
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).
Filmography
The Voices of Our Mother
Film · 2026
The Outer Threat
Film · 2026
Seven Veils
Film · 2025
Shadow of God
Film · 2025
Nuremberg
Film · 2025
The Memory Keeper
Film · 2025
Topper
Film · 2025
The Copenhagen Test
Series · 2025
The Sticky
Series · 2024
61st Street
Series · 2022
Blue Bayou
Film · 2021
The Righteous
Film · 2021
Perry Mason
Series · 2020
Your Honor
Series · 2020
State Like Sleep
Film · 2019
Marriage Story
Film · 2019
Goalie
Film · 2019
Hammer
Film · 2019
Ready or Not
Film · 2019
The Kelly Clarkson Show
Series · 2019
City on a Hill
Series · 2019
Anon
Film · 2018
Kin
Film · 2018
Parallel
Film · 2018
The Darkest Minds
Film · 2018
Bad Times at the El Royale
Film · 2018
The Front Runner
Film · 2018
How It Ends
Film · 2018
The Last Tycoon
Series · 2017
The Dark Stranger
Film · 2016
Arrival
Film · 2016
Wanderer
Film · 2016
End of Days, Inc.
Film · 2015
How to Plan an Orgy in a Small Town
Film · 2015
Dennis
Film · 2015
Killjoys
Series · 2015
Halt and Catch Fire
Series · 2014
Sweetieface
Film · 2013
Hannibal
Series · 2013
Beat Down
Film · 2012
Grown Up Movie Star
Film · 2010
Snarbuckled
Film · 2010
Brad
Film · 2010
Republic of Doyle
Series · 2010
Cut from the Same Cloth
Film · 2009
Mum's the Word
Film · 2009
Quiet at Dawn
Film · 2009
Warehouse 13
Series · 2009
The Four Horsemen
Film · 2008
Heartless Disappearance Into Labrador Seas
Film · 2008
Epilogue
Film · 2008
The One That Got Away
Film · 2008
Better People
Film
Nice People
Film
Good in the Room
Film
Little One
Film
Soma
Film