Mark O'Brien profile photo

Mark O'Brien

Acting

Born: May 7, 1984 (41)

Birthplace: St. Johns, Newfoundland, Canada

Total titles

14

Most common genre

Drama

Years active

2010 - 2025

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).

Filmography

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