Месца нараджэння: St. Johns, Newfoundland, CanadaДзень нараджэння: 07 May 1984Біяграфія: 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).