Mark O'Brien

Mark O'Brien

Acting Born: 1984-05-07 Age: 41 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).

Movies

Nuremberg
Nuremberg
2025 ★ 7.3
Ready or Not
Ready or Not
2019 ★ 7.0
Arrival
Arrival
2016 ★ 7.6
Marriage Story
Marriage Story
2019 ★ 7.7
Topper
Topper
2025 ★ 5.3
Kin
Kin
2018 ★ 6.1
Shadow of God
Shadow of God
2025 ★ 5.6
The Darkest Minds
The Darkest Minds
2018 ★ 7.0
Seven Veils
Seven Veils
2025 ★ 5.7
Bad Times at the El Royale
Bad Times at the El Royale
2018 ★ 6.8
How to Plan an Orgy in a Small Town
How to Plan an Orgy in a Small Town
2015 ★ 5.1
Blue Bayou
Blue Bayou
2021 ★ 7.5
Anon
Anon
2018 ★ 6.0
The Righteous
The Righteous
2021 ★ 6.2
Hammer
Hammer
2019 ★ 5.4
Brad
Brad
2010 0
Wanderer
Wanderer
2016 0
The Front Runner
The Front Runner
2018 ★ 5.9
Snarbuckled
Snarbuckled
2010 0
Goalie
Goalie
2019 ★ 7.0

TV Shows

The Kelly Clarkson Show
The Kelly Clarkson Show
2019 ★ 6.3
Hannibal
Hannibal
2013 ★ 8.3
Warehouse 13
Warehouse 13
2009 ★ 7.7
Perry Mason
Perry Mason
2020 ★ 7.2
Republic of Doyle
Republic of Doyle
2010 ★ 7.0
Your Honor
Your Honor
2020 ★ 8.1
Halt and Catch Fire
Halt and Catch Fire
2014 ★ 7.9
Killjoys
Killjoys
2015 ★ 6.9
City on a Hill
City on a Hill
2019 ★ 7.2
The Copenhagen Test
The Copenhagen Test
2025 0
The Sticky
The Sticky
2024 ★ 7.3
61st Street
61st Street
2022 ★ 6.9
The Last Tycoon
The Last Tycoon
2017 ★ 7.1