Mark O'Brien

Mark O'Brien

Acting
Born 1984-05-07 St. Johns, Newfoundland, Canada 8 credit(s) Popularity 0.8
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).
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Biography

Profile information and background.

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

Main acting credits and shows.

The Copenhagen Test poster
The Copenhagen Test
as Edmund Cobb
2025-12-27
Open
The Sticky poster
The Sticky
as Charlie
2024-12-06
Open
61st Street poster
61st Street
as Officer Logan
2022-04-10
Open
Your Honor poster
Your Honor
as Father Jay
2020-12-06
Open
Perry Mason poster
Perry Mason
as Thomas Milligan
2020-06-21
Open
The Kelly Clarkson Show poster
The Kelly Clarkson Show
as Self
2019-09-09
Open
City on a Hill poster
City on a Hill
as Jimmy Ryan
2019-06-16
Open
The Last Tycoon poster
The Last Tycoon
as Max Miner
2017-07-28
Open

Crew Credits

Directing, writing, production, and other work.

No crew credits available yet.