Mark O'Brien
Personal details
  • Born:
    • Birthday: 1984-05-07
    • Born Place: St. Johns, Newfoundland, Canada
  • Also Known As:

    Mark O’Brien

Mark O'Brien

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).

Person History