Mark O'Brien
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).
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Mark O'Brien — movies and TV shows
6.2SeriesThe Kelly Clarkson Show
2019
7.7SeriesWarehouse 13
2009
8.3SeriesHannibal
2013
7.0SeriesRepublic of Doyle
2010
7.6FilmArrival
2016
7.1FilmReady or Not
2019
6.9SeriesKilljoys
2015
7.9SeriesHalt and Catch Fire
2014
7.2SeriesPerry Mason
2020
8.0SeriesYour Honor
2020
7.3SeriesCity on a Hill
2019
7.7FilmMarriage Story
2019
7.6FilmNuremberg
2025
7.0FilmThe Darkest Minds
2018
6.8FilmBad Times at the El Royale
2018
6.6SeriesThe Copenhagen Test
2025
6.2Series61st Street
2022
5.3FilmHow It Ends
2018
7.2SeriesThe Sticky
2024
7.0SeriesThe Last Tycoon
2017
5.9FilmThe Front Runner
2018
6.1FilmKin
2018
6.0FilmParallel
2018
5.6FilmShadow of God
2025
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6.0FilmAnon
2018
5.6FilmThe Outer Threat
2026
5.5FilmSeven Veils
2025
7.4FilmBlue Bayou
2021
5.1FilmHow to Plan an Orgy in a Small Town
2015
FilmLittle One
6.4FilmThe Voices of Our Mother
2026
FilmBeat Down
2012
4.3FilmThe One That Got Away
2008
5.1FilmGrown Up Movie Star
2010
4.7FilmState Like Sleep
2019
7.0FilmThe Memory Keeper
2025
FilmDennis
2015
4.9FilmThe Dark Stranger
2016
6.0FilmThe Four Horsemen
2008
6.8FilmGoalie
2019
5.8FilmEnd of Days, Inc.
2015
5.3FilmTopper
2025
5.5FilmHammer
2019
6.3FilmThe Righteous
2021
FilmHeartless Disappearance Into Labrador Seas
2008
5.0FilmWanderer
2016
FilmSnarbuckled
2010