7.2Acting
Mark O'Brien
- Born
- 1984-05-07
- Birthplace
- 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).
Known For
Filmography
59 titles · Newest first · Cast and crew credits
The Outer Threat
2026 · Movie
Daniel Ashford
The Voices of Our Mother
2026 · Movie
William · Director · Writer
Nuremberg
2025 · Movie
Colonel John Amen
Seven Veils
2025 · Movie
Paul
Shadow of God
2025 · Movie
Mason Harper
The Copenhagen Test
2025 · TV Show
Edmund Cobb
The Memory Keeper
2025 · Movie
Elizeus Carrier
Topper
2025 · Movie
Topper
The Sticky
2024 · TV Show
Charlie
61st Street
2022 · TV Show
Officer Logan
Blue Bayou
2021 · Movie
Ace
The Righteous
2021 · Movie
Aaron Smith · Executive Producer · Director · Writer
Perry Mason
2020 · TV Show
Thomas Milligan
Your Honor
2020 · TV Show
Father Jay
City on a Hill
2019 · TV Show
Jimmy Ryan
Goalie
2019 · Movie
Terry Sawchuk · Executive Producer
Hammer
2019 · Movie
Chris Davis
Marriage Story
2019 · Movie
Carter Mitchum
Ready or Not
2019 · Movie
Alex
State Like Sleep
2019 · Movie
Darren
The Kelly Clarkson Show
2019 · TV Show
Self
Anon
2018 · Movie
Cyrus Frear
Bad Times at the El Royale
2018 · Movie
Larsen Rogers
How It Ends
2018 · Movie
Jeremiah
Kin
2018 · Movie
Jake
Parallel
2018 · Movie
Josh
The Darkest Minds
2018 · Movie
Rob Meadows
The Front Runner
2018 · Movie
Billy Shore
The Last Tycoon
2017 · TV Show
Max Miner
Arrival
2016 · Movie
Captain Marks
The Dark Stranger
2016 · Movie
Mark
Wanderer
2016 · Movie
Eric · Director · Producer
Dennis
2015 · Movie
Dennis · Producer
End of Days, Inc.
2015 · Movie
Jason
How to Plan an Orgy in a Small Town
2015 · Movie
Bruce Buck
Killjoys
2015 · TV Show
Grayson Hicks
Halt and Catch Fire
2014 · TV Show
Tom Rendon
Hannibal
2013 · TV Show
Randall Tier
Sweetieface
2013 · Movie
Sam · Director · Producer · Editor
Beat Down
2012 · Movie
Michael
Kathy
2011 · Movie
Director
Brad
2010 · Movie
Brad · Producer · Editor
Grown Up Movie Star
2010 · Movie
Will
Republic of Doyle
2010 · TV Show
Des Courtney
Snarbuckled
2010 · Movie
Jacob O'Higgins
Cut from the Same Cloth
2009 · Movie
Jack Cochrane
Mum's the Word
2009 · Movie
Curtis
Quiet at Dawn
2009 · Movie
Watts
Warehouse 13
2009 · TV Show
Jerry Hoffler
Epilogue
2008 · Movie
Henry
Heartless Disappearance Into Labrador Seas
2008 · Movie
Charlie
Pretty Girls
2008 · Movie
Director · Writer · Editor · Cinematography
The Four Horsemen
2008 · Movie
Eric Rollins
The One That Got Away
2008 · Movie
Tommy Palchek
Better People
Date unknown · Movie
John · Director · Writer · Editor
Good in the Room
Date unknown · Movie
Charlie · Writer · Executive Producer
Little One
Date unknown · Movie
Cast
Nice People
Date unknown · Movie
Cast · Director
Soma
Date unknown · Movie
Paul