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).
- Known For: Acting
- Birthday: 1984-05-07
- Place of Birth: St. Johns, Newfoundland, Canada
- Also Known As: Mark O’Brien
