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Mark O'Brien
Acting
Born May 7, 1984, 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).
On WokeMeter · 2

Ready or Not
2019 · Film

16
as Alex

Arrival
2016 · Film

14
as Captain Marks