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Mark O'Brien

Mark O'Brien


Mark 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.

  • Known For: Acting
  • Birthday: 1984-05-07
  • Place of Birth: Canada
  • Also Known As: Mark O’Brien