Mark O'Brien

Mark O'Brien

Actor

St. Johns, Newfoundland, Canada

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).

Actor in 1 titles

TitleYearTypeRatingSubs
Nuremberg 2025 Film ⭐ 7.4 2