Personal Info
Known Credits
35
Gender
Male
Birthdate
1984-05-07 (41 Y.O)
Place Of Birth
St. Johns, Newfoundland, Canada
Also Known For
Mark O’Brien
Mark O'Brien
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
Acting
2025 --
Seven Veils
| Paul
2021 --
Blue Bayou
| Ace
2021 --
The Righteous
| Aaron Smith
2019 --
Hammer
| Chris Davis
2019 --
Marriage Story
| Carter Mitchum
2019 --
Ready or Not
| Alex Le Domas
2019 --
Goalie
| Terry Sawchuk
2019 --
State Like Sleep
| Darren
2018 --
The Front Runner
| Billy Shore
2018 --
Bad Times at the El Royale
| Larsen Rogers
2018 --
Kin
| Jake
2018 --
The Darkest Minds
| Rob Meadows
2018 --
How It Ends
| Jeremiah
2018 --
Anon
| Cyrus Frear
2018 --
Parallel
| Josh
2016 --
Arrival
| Captain Marks
2016 --
The Dark Stranger
| Mark
2015 --
How to Plan an Orgy in a Small Town
| Bruce Buck
2015 --
End of Days, Inc.
| Jason
2015 --
Dennis
| Dennis
2012 --
Beat Down
| Michael
2010 --
Snarbuckled
| Jacob O'Higgins
2010 --
Brad
| Brad
2009 --
Mum's the Word
| Curtis
2009 --
Grown Up Movie Star
| Will
2009 --
Quiet at Dawn
| Watts
2009 --
Cut from the Same Cloth
| Jack Cochrane
2008 --
Heartless Disappearance Into Labrador Seas
| Charlie
2008 --
Epilogue
| Henry
2008 --
The Four Horsemen
| Eric Rollins