Mark O'Brien

Mark O'Brien

Birthday: 1984-05-07
Place of birth: St. Johns, Newfoundland, Canada
Also know as: Mark O’Brien

Bio

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 with Mark O'Brien

Seven Veils

2025
As Paul
The Four Horsemen

2008
As Eric Rollins
Grown Up Movie Star

2009
As Will
Cut from the Same Cloth

2009
As Jack Cochrane
Heartless Disappearance Into Labrador Seas

2008
As Charlie
Shadow of God

2025
As Mason Harper
Snarbuckled

2010
As Jacob O'Higgins
The Dark Stranger

2016
As Mark
Nuremberg

2025
As Colonel John Amen
End of Days, Inc.

2015
As Jason
The Voices of Our Mother

0000
As William
Beat Down

2012
As Michael
Arrival

2016
As Captain Marks
Anon

2018
As Cyrus Frear
State Like Sleep

2019
As Darren
Kin

2018
As Jake
Parallel

2018
As Josh
The Darkest Minds

2018
As Rob Meadows
How to Plan an Orgy in a Small Town

2015
As Bruce Buck
Bad Times at the El Royale

2018
As Larsen Rogers
Marriage Story

2019
As Carter Mitchum
The Front Runner

2018
As Billy Shore
How It Ends

2018
As Jeremiah
Goalie

2019
As Terry Sawchuk
Hammer

2019
As Chris Davis
Ready or Not

2019
As Alex Le Domas
Blue Bayou

2021
As Ace
The Righteous

2021
As Aaron Smith
Mum's the Word

2009
As Curtis
Epilogue

2008
As Henry
Brad

2010
As Brad
The Outer Threat

0000
As
Dennis

2015
As Dennis
Falsehood

2025
As Elizeus Carrier
Quiet at Dawn

2009
As Watts
Topper

2025
As Topper
The One That Got Away

2008
As Tommy Palchek
Better People

0000
As John
Sweetieface

2013
As Sam
Wanderer

2016
As Eric
Nice People

0000
As

TV Shows with Mark O'Brien

Perry Mason

2020
As Thomas Milligan
Republic of Doyle

2010
As Des Courtney
The Last Tycoon

2017
As Max Miner
61st Street

2022
As Officer Logan
Killjoys

2015
As Grayson Hicks
The Kelly Clarkson Show

2019
As Self
City on a Hill

2019
As Jimmy Ryan
Hannibal

2013
As Randall Tier
Warehouse 13

2009
As Jerry Hoffler
Halt and Catch Fire

2014
As Tom Rendon
Your Honor

2020
As Father Jay
The Copenhagen Test

2025
As Cobb
The Sticky

2024
As Charlie

Production Credits

The Righteous

2021
As Executive Producer
The Righteous

2021
As Director
The Righteous

2021
As Writer
Wanderer

2016
As Director
The Voices of Our Mother

0000
As Director
The Voices of Our Mother

0000
As Writer
Goalie

2019
As Executive Producer
Kathy

2011
As Director
Brad

2010
As Producer
Brad

2010
As Editor
Dennis

2015
As Producer
Better People

0000
As Director
Better People

0000
As Writer
Better People

0000
As Editor
Sweetieface

2013
As Director
Sweetieface

2013
As Producer
Sweetieface

2013
As Editor
Wanderer

2016
As Producer
Pretty Girls

2008
As Director
Pretty Girls

2008
As Writer
Pretty Girls

2008
As Editor
Pretty Girls

2008
As Cinematography
Nice People

0000
As Director