Mark O'Brien
Acting
🎂 1984-05-07
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).
Cast credits(53)
2019
Tom Rendon
2014
Grayson Hicks
2015
Randall Tier
2013
Jerry Hoffler
2009
Jimmy Ryan
2019
Father Jay
2020
Des Courtney
2010
Thomas Milligan
2020
Charlie
2024
Max Miner
2017
Captain Marks
2016
Officer Logan
2022
Alex Le Domas
2019
Rob Meadows
2018
Carter Mitchum
2019
Cobb
Paul
2025
Mason Harper
2025
Jeremiah
2018
Larsen Rogers
2018
Billy Shore
2018
Cyrus Frear
2018
Jake
2018
Bruce Buck
2015
Ace
2021
Josh
2018
Eric Rollins
2008
Col. John Amen
2025
Chris Davis
2019
Aaron Smith
2021
Terry Sawchuk
2019
Mark
2016
Charlie
2008
Darren
2019
Tommy Palchek
2008
Jason
2015
Will
2009
Michael
2012
Dennis
2015
Brad
2010
Henry
2008
Eric
2016
William
Jacob O'Higgins
2010
Topper
2025
Curtis
2009
Elizeus Carrier
Jack Cochrane
2009
Watts
2009
Sam
2013
John
