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Acting · Filmography
Mark O'Brien
Born May 7, 1984 (age 42) 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).
Filmography
Where to watch Mark O'Brien’s work in 
United States
Top 30 by popularity. Click any title to see exactly which OTT carries it in United States.
