Mark O'Brien
Personal Info
Know For
Acting
Gender
Male
Birthday
1984-05-07 (41 years old)
Place of Birth
St. Johns, Newfoundland, Canada
Also known As
Mark O’Brien
Mark O'Brien
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).
Acting
2025
as Paul
2008
as Eric Rollins
2009
as Will
2009
as Jack Cochrane
2008
2025
as Mason Harper
2010
as Jacob O'Higgins
2016
as Mark
2025
as Col. John Amen
2015
as Jason
-
as William
2012
as Michael
2016
as Captain Marks
2018
as Cyrus Frear
2019
as Darren
2018
as Jake
2018
as Josh
2018
as Rob Meadows
2015
as Bruce Buck
2018
as Larsen Rogers
2019
as Carter Mitchum
2018
as Billy Shore
2018
as Jeremiah
2019
as Terry Sawchuk
2019
as Chris Davis
2019
as Alex Le Domas
2021
as Ace
2021
as Aaron Smith
2009
as Curtis
2008
as Henry
2010
as Brad
2015
as Dennis
-
as Elizeus Carrier
2009
as Watts
2025
as Topper
2008
as Tommy Palchek
-
as John
2013
as Sam
2016
as Eric
Production
2021
as Executive Producer
2021
as Director
2021
as Writer
2016
as Director
-
as Director
-
as Writer
2019
as Executive Producer
2011
as Director
2010
as Producer
2010
as Editor
2015
as Producer
-
as Director
-
as Writer
-
as Editor
2013
as Director
2013
as Producer
2013
as Editor
2016
as Producer
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