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Mark O'Brien

Mark O'Brien

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Biography

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).

Information
Known for: Acting
Born: 1984-05-07
Age: 41
Place of birth: St. Johns, Newfoundland, Canada
Gender: Male
Also known as: Mark O’Brien
Known from
The Kelly Clarkson Show (2019)
TV Series
The Kelly Clarkson Show (2019)
Self
 Hannibal (2013)
TV Series
Hannibal (2013)
Randall Tier
 Ready or Not (2019)
Movie
Ready or Not (2019)
Alex Le Domas
 Warehouse 13 (2009)
TV Series
Warehouse 13 (2009)
Jerry Hoffler
 Nuremberg (2025)
Movie
Nuremberg (2025)
Colonel John Amen
 Arrival (2016)
Movie
Arrival (2016)
Captain Marks
 Killjoys (2015)
TV Series
Killjoys (2015)
Grayson Hicks
 Halt and Catch Fire (2014)
TV Series
Halt and Catch Fire (2014)
Tom Rendon
 Republic of Doyle (2010)
TV Series
Republic of Doyle (2010)
Des Courtney
 Perry Mason (2020)
TV Series
Perry Mason (2020)
Thomas Milligan
 Your Honor (2020)
TV Series
Your Honor (2020)
Father Jay
 City on a Hill (2019)
TV Series
City on a Hill (2019)
Jimmy Ryan