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Mark O'Brien

Mark O'Brien Movies and TV Shows

Mark O'Brien (born May 7, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire.

Personal info

  • Gender: Male
  • Date of birth: 07/05/1984 (41 years old)
  • Place of birth: Canada
  • twitter: markobriennl
Year
Genre
IMDB
TMDB
Available on the following streaming services in the UK
The Copenhagen Test
The Copenhagen Test (2025)
TMDB 58%
role:
Cobb
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2025

Action

Adventure

Mystery

Sci-Fi & Fantasy

58%
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Nuremberg
Nuremberg (2025)
TMDB 73%
role:
Colonel John Amen
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2025

Drama

History

Thriller

War & Politics

73%
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Seven Veils
Seven Veils (2025)
IMDB 6.7
TMDB 57%
role:
Paul
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2025

Drama

6.7
57%
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61st Street
61st Street (2022)
IMDB 6.8
TMDB 67%
role:
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2022

Crime

Drama

6.8
67%
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Blue Bayou
Blue Bayou (2021)
IMDB 7.1
TMDB 76%
role:
Ace
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2021

Drama

7.1
76%
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Hammer
Hammer (2019)
IMDB 5.7
TMDB 55%
role:
Chris Davis
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2019

Crime

Drama

Thriller

5.7
55%
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Marriage Story
Marriage Story (2019)
IMDB 7.9
TMDB 78%
role:
Carter Mitchum
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2019

Drama

7.9
78%
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Ready or Not
Ready or Not (2019)
IMDB 6.8
TMDB 70%
role:
Alex Le Domas & 1 more
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2019

Comedy

Horror

Mystery

Thriller

6.8
70%
Watch now
City on a Hill
City on a Hill (2019)
IMDB 7.6
TMDB 77%
role:
Jimmy Ryan
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2019

Crime

Drama

7.6
77%
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State Like Sleep
State Like Sleep (2019)
IMDB 4.4
TMDB 50%
role:
Darren
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2019

Drama

4.4
50%
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The Front Runner
The Front Runner (2018)
IMDB 6.1
TMDB 59%
role:
Billy Shore
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2018

Drama

History

6.1
59%
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Bad Times at the El Royale
Bad Times at the El Royale (2018)
IMDB 7.1
TMDB 68%
role:
Larsen Rogers
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2018

Crime

Drama

Mystery

Thriller

7.1
68%
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Kin
Kin (2018)
IMDB 5.8
TMDB 62%
role:
Jake
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2018

Action

Sci-Fi & Fantasy

5.8
62%
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The Darkest Minds
The Darkest Minds (2018)
IMDB 5.7
TMDB 70%
role:
Rob Meadows
Watch now
2018

Action

Adventure

Drama

Romance

Thriller

Sci-Fi & Fantasy

5.7
70%
Watch now
How It Ends
How It Ends (2018)
IMDB 5.1
TMDB 53%
role:
Jeremiah
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2018

Action

Adventure

Mystery

Thriller

Sci-Fi & Fantasy

5.1
53%
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Anon
Anon (2018)
IMDB 6.1
TMDB 60%
role:
Cyrus Frear
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2018

Sci-Fi & Fantasy

6.1
60%
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Parallel
Parallel (2018)
IMDB 5.8
TMDB 63%
role:
Josh
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2018

Sci-Fi & Fantasy

5.8
63%
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The Last Tycoon
The Last Tycoon (2017)
IMDB 7.5
TMDB 74%
role:
Max Miner
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2017

Drama

7.5
74%
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Arrival
Arrival (2016)
IMDB 7.9
TMDB 76%
role:
Captain Marks
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2016

Drama

Mystery

Sci-Fi & Fantasy

7.9
76%
Watch now
The Dark Stranger
The Dark Stranger (2016)
IMDB 4.5
TMDB 54%
role:
Mark
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2016

Drama

Horror

Thriller

4.5
54%
Watch now
How to Plan an Orgy in a Small Town
How to Plan an Orgy in a Small Town (2015)
IMDB 5.5
TMDB 52%
role:
Bruce Buck
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2015

Comedy

5.5
52%
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Republic of Doyle
Republic of Doyle (2010)
IMDB 7.6
TMDB 75%
role:
Des Courtney
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2010

Comedy

Drama

7.6
75%
Watch now
Grown Up Movie Star
Grown Up Movie Star (2009)
IMDB 6.1
TMDB 53%
role:
Will
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2009

Drama

6.1
53%
Watch now

FAQs

Some movies or TV shows available in the UK starring or involving Mark O'Brien are, for example, Seven Veils, 61st Street and Blue Bayou.
The streaming services with the largest selection are Prime Video, iTunes and Google Play.
The best StreamFat ratings are Marriage Story (7.9), Arrival (7.8) and City on a Hill (7.7).