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).
Known For
Actor
as Mason Harper
as Col. John Amen
as William
as Curtis
as Cobb
as Paul
as Officer Logan
as Ace
as Aaron Smith
as Father Jay
as Thomas Milligan
as Chris Davis
as Carter Mitchum
as Alex Le Domas
as Terry Sawchuk
as Darren
as Jimmy Ryan
as Billy Shore
as Larsen Rogers
as Jake
as Rob Meadows
as Jeremiah
as Cyrus Frear
as Josh
as Max Miner
as Captain Marks
as Mark
as Bruce Buck
as Jason
as Dennis
as Grayson Hicks
as Tom Rendon
as Randall Tier
as Michael
as Jacob O'Higgins
as Brad
as Des Courtney
as Will
as Jack Cochrane
as Jerry Hoffler
as Charlie
as Henry
as Eric Rollins
Producer
as Executive Producer
as Executive Producer
as Producer
as Producer
Director
as Director
as Director
as Director
as Director
Writer
as Writer
as Writer
Editor
as Editor