📽 Career spans 11 years on the record (2015–2026).
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 & images from TMDB. Scores by real jurors, weighted by earned trust. No critics. No bots. No bombing.