Canadian actor and director

Mark O'Brien is ...

Alive
Born 7 May 1984 in St. John's
Age34 years, 7 months
Correction?
Mark O'Brien
Mark O'Brien
Mark O'Brien

About Mark O'Brien

Mark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the roles of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.