Date of Birth:

May 07, 1984 (42 years)

Place of Birth:

St. Johns, Newfoundland, Canada

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).