Personal details
Known for
Acting
Gender
Male
Born
7 5月 1984 (42)
Place of birth
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).
代表作
7.6
Film
Arrival
Captain Marks
2016
7.1
Film
Ready or Not
Alex
2019
7.6
Film
Nuremberg
Colonel John Amen
2025
7.0
Series
Republic of Doyle
Des Courtney
2010–2014
6.5
Series
The Copenhagen Test
Edmund Cobb
2025
7.0
Film
The Darkest Minds
Rob Meadows
2018
7.7
Film
Marriage Story
Carter Mitchum
2019
7.0
Series
The Last Tycoon
Max Miner
2017
6.8
Film
Bad Times at the El Royale
Larsen Rogers
2018
5.3
Film
How It Ends
Jeremiah
2018
5.6
Film
The Outer Threat
Daniel Ashford
2026
6.0
Film
Anon
Cyrus Frear
2018
6.1
Film
Kin
Jake
2018
0.0
Film
The Memory Keeper
Elizeus Carrier
2025
5.9
Film
The Front Runner
Billy Shore
2018
7.4
Film
Blue Bayou
Ace
2021
6.4
Film
The Voices of Our Mother
William
2026
5.6
Film
Seven Veils
Paul
2025
5.7
Film
Shadow of God
Mason Harper
2025
6.0
Film
Parallel
Josh
2018
5.3
Film
Topper
Topper
2025
5.4
Film
Hammer
Chris Davis
2019
6.3
Film
The Righteous
Aaron Smith
2021
6.9
Film
Goalie
Terry Sawchuk
2019
4.9
Film
The Dark Stranger
Mark
2016
4.7
Film
State Like Sleep
Darren
2019
Acting credits 26 titles
The Outer Threat
as Daniel Ashford
5.6
2026
The Voices of Our Mother
as William
6.4
2026
The Memory Keeper
as Elizeus Carrier
0.0
2025
Shadow of God
as Mason Harper
5.7
2025
Topper
as Topper
5.3
2025
Seven Veils
as Paul
5.6
2025
The Copenhagen Test
as Edmund Cobb
6.5
2025
Nuremberg
as Colonel John Amen
7.6
2025
The Righteous
as Aaron Smith
6.3
2021
Blue Bayou
as Ace
7.4
2021
Goalie
as Terry Sawchuk
6.9
2019
Hammer
as Chris Davis
5.4
2019
Ready or Not
as Alex
7.1
2019
State Like Sleep
as Darren
4.7
2019
Marriage Story
as Carter Mitchum
7.7
2019
Parallel
as Josh
6.0
2018
The Front Runner
as Billy Shore
5.9
2018
Anon
as Cyrus Frear
6.0
2018
How It Ends
as Jeremiah
5.3
2018
The Darkest Minds
as Rob Meadows
7.0
2018
Kin
as Jake
6.1
2018
Bad Times at the El Royale
as Larsen Rogers
6.8
2018
The Last Tycoon
as Max Miner
7.0
2017
Arrival
as Captain Marks
7.6
2016
The Dark Stranger
as Mark
4.9
2016
Republic of Doyle
as Des Courtney
7.0
2010–2014