Seriale
Mark O'Brien

Mark O'Brien

Acting
5/7/1984

Born 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).

Filmography

Nuremberg
2025
7.3

Nuremberg

as Colonel John Amen

Falsehood
2025
0.0

Falsehood

as Elizeus Carrier

Shadow of God
2025
5.7

Shadow of God

as Mason Harper

Seven Veils
2025
5.6

Seven Veils

as Paul

Topper
2025
5.3

Topper

as Topper

Blue Bayou
2021
7.5

Blue Bayou

as Ace

The Righteous
2021
6.2

The Righteous

as Aaron Smith

Hammer
2019
5.4

Hammer

as Chris Davis

Marriage Story
2019
7.7

Marriage Story

as Carter Mitchum

Ready or Not
2019
7.0

Ready or Not

as Alex Le Domas

Goalie
2019
7.0

Goalie

as Terry Sawchuk

State Like Sleep
2019
4.7

State Like Sleep

as Darren

The Front Runner
2018
5.9

The Front Runner

as Billy Shore

Bad Times at the El Royale
2018
6.8

Bad Times at the El Royale

as Larsen Rogers

Kin
2018
6.1

Kin

as Jake

The Darkest Minds
2018
7.0

The Darkest Minds

as Rob Meadows

How It Ends
2018
5.3

How It Ends

as Jeremiah

Anon
2018
6.0

Anon

as Cyrus Frear

Parallel
2018
6.0

Parallel

as Josh

Arrival
2016
7.6

Arrival

as Captain Marks

Wanderer
2016
0.0

Wanderer

as Eric

The Dark Stranger
2016
4.9

The Dark Stranger

as Mark

How to Plan an Orgy in a Small Town
2015
5.1

How to Plan an Orgy in a Small Town

as Bruce Buck

End of Days, Inc.
2015
5.7

End of Days, Inc.

as Jason