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).
as Jerry Hoffler
as Self
2019
as Randall Tier
2013
as Jerry Hoffler
2009
as Alex
2019
as Colonel John Amen
2025
as Des Courtney
2010
as Tom Rendon
2014
as Captain Marks
2016
as Thomas Milligan
2020
as Father Jay
2020
as Grayson Hicks
2015
as Jimmy Ryan
2019
as Elizeus Carrier
2025
as William
2026
as Colonel John Amen
2025
as Elizeus Carrier
2025
as Mason Harper
2025
as Paul
2025
as Topper
2025
as Ace
2021
as Aaron Smith
2021
as Chris Davis
2019
as Carter Mitchum
2019
as Alex
2019
as Terry Sawchuk
2019
as Darren
2019
as Billy Shore
2018
as Larsen Rogers
2018
as Jake
2018
as Rob Meadows
2018
as Jeremiah
2018
as Cyrus Frear
2018
as Josh
2018
as Captain Marks
2016
as Eric
2016
as Mark
2016
as Bruce Buck
2015
as Jerry Hoffler
1 ep.
as Self
1 episodes
as Randall Tier
2 episodes
as Jerry Hoffler
1 episodes
as Des Courtney
77 episodes
as Tom Rendon
15 episodes
as Thomas Milligan
7 episodes
as Father Jay
3 episodes
as Grayson Hicks
1 episodes
as Jimmy Ryan
14 episodes
as Edmund Cobb
8 episodes
as Max Miner
9 episodes
as Officer Logan
8 episodes
as Charlie
1 episodes
Director
