Mark O'Brien is an award-winning actor and filmmaker. He is an English major with a Bachelor of Arts from Memorial University of Newfoundland. He is is best known for his role as Des Courtney on CBC's Republic of Doyle.

Trivia

Mark O'Brien was best mate to Jonny Harris prior to working together on Murdoch Mysteries with girlfriend Georgina Reilly. They on January 6, 2013 and have one child.


Appearances

Murdoch Night in Canada


Murdoch Mysteries Season 5
"Murdoch of the Klondike" • "Back and to the Left" • "Evil Eye of Egypt" • "War on Terror" • "Murdoch at the Opera" • "Who Killed the Electric Carriage?" • "Stroll on the Wild Side (Part 1)" • "Stroll on the Wild Side (Part 2)" • "Invention Convention" • "Staircase to Heaven" • "Murdoch in Toyland" • "Murdoch Night in Canada" • "Twentieth Century Murdoch"
Web-Series: The Murdoch Effect
Season 1Season 2Season 3Season 4Season 6Season 7Season 8Season 9Season 10
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