Acting
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).
Highest rated appearances
Hammer
as Chris Davis
Marriage Story
as Carter Mitchum
Ready or Not
as Alex
Goalie
as Terry Sawchuk
State Like Sleep
as Darren
The Front Runner
as Billy Shore
Bad Times at the El Royale
as Larsen Rogers
Kin
as Jake
The Darkest Minds
as Rob Meadows
How It Ends
as Jeremiah
Anon
as Cyrus Frear
Parallel
as Josh
Arrival
as Captain Marks
Wanderer
as Eric
The Dark Stranger
as Mark
How to Plan an Orgy in a Small Town
as Bruce Buck
End of Days, Inc.
as Jason
Dennis
as Dennis
Sweetieface
as Sam
Beat Down
as Michael
Snarbuckled
as Jacob O'Higgins
Brad
as Brad
Grown Up Movie Star
as Will
