Screenings
Mark O'Brien

Mark O'Brien

Born 1984-05-07 (age 42) St. Johns, Newfoundland, Canada
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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).

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Mark O'Brien Mark O'Brien Mark O'Brien Mark O'Brien

Known For

Nuremberg
Nuremberg

2025

as Colonel John Amen

Ready or Not
Ready or Not

2019

as Alex

Arrival
Arrival

2016

as Captain Marks

Marriage Story
Marriage Story

2019

as Carter Mitchum

Bad Times at the El Royale
Bad Times at the El Royale

2018

as Larsen Rogers

The Darkest Minds
The Darkest Minds

2018

as Rob Meadows

How It Ends
How It Ends

2018

as Jeremiah

Anon
Anon

2018

as Cyrus Frear

The Front Runner
The Front Runner

2018

as Billy Shore

Seven Veils
Seven Veils

2025

as Paul

Kin
Kin

2018

as Jake

Goalie
Goalie

2019

as Terry Sawchuk

Parallel
Parallel

2018

as Josh

Blue Bayou
Blue Bayou

2021

as Ace

How to Plan an Orgy in a Small Town
How to Plan an Orgy in a Small Town

2015

as Bruce Buck

Shadow of God
Shadow of God

2025

as Mason Harper

The Memory Keeper
The Memory Keeper

2025

as Elizeus Carrier

State Like Sleep
State Like Sleep

2019

as Darren

The Four Horsemen
The Four Horsemen

2008

as Eric Rollins

Hammer
Hammer

2019

as Chris Davis