Mark O'Brien
Known For
Acting
Born
1984-05-07 in St. Johns, Newfoundland, Canada
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).
Most Known For
The Kelly Clarkson Show
as Self
Hannibal
as Randall Tier
Warehouse 13
as Jerry Hoffler
Nuremberg
as Colonel John Amen
Arrival
as Captain Marks
Halt and Catch Fire
as Tom Rendon
The Copenhagen Test
as Edmund Cobb
Your Honor
as Father Jay
Perry Mason
as Thomas Milligan
Killjoys
as Grayson Hicks
Republic of Doyle
as Des Courtney
Ready or Not
as Alex Le Domas
City on a Hill
as Jimmy Ryan
Marriage Story
as Carter Mitchum
Bad Times at the El Royale
as Larsen Rogers
The Last Tycoon
as Max Miner
The Sticky
as Charlie
61st Street
as Officer Logan
The Darkest Minds
as Rob Meadows
Falsehood
as Elizeus Carrier