Five Clues • One Movie • Daily
Mark O'Brien
Acting · 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).
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Known for
Nuremberg
2025
Ready or Not
2019
Arrival
2016
The Outer Threat
2026
The Darkest Minds
2018
Marriage Story
2019
Bad Times at the El Royale
2018
How It Ends
2018
The Front Runner
2018
Kin
2018
Anon
2018
Little One