Full actor profile
Mark O'Brien
Acting
58 known credits
0.8 popularity score 42 years
Biography
About Mark O'Brien
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).
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Career at a glance
Mark O'Brien across film and television
58credited titles
44movie credits
14TV credits
2008–2026screen career span
Notable work
Recent movies and TV shows
Article
TV download guide
Pokémon (1997) — Episodes and downloads
Join Ash accompanied by his partner Pikachu, as he travels through many regions, meets new friends and faces new challenges on his quest to become a Pokémon Master.
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Movie download guide
Misty Green (2026) — Download guide
Years after her Hollywood breakthrough, a talented actress whose career has stalled fights for her second act.
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TV download guide
Against The Sky Supreme (2021) — Episodes and downloads
The entire universe is divided into the inner universe and the outer universe. The two universes are enemies of each other. The outer universe is ruled by demons, and the inner universe is divided into The Realm of gods, the Eternal Realm, and the Mortal Realm. In the universe, …
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