Mark O'Brien
Birthday: 1984-05-07 | Place of Birth: CanadaMark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.
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Known For
The Righteous
Blue Bayou
Marriage Story
Ready or Not
State Like Sleep