Mark O'Brien
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).
Featured Characters
Roles you can spot in Whatthemovie snapshots
Nuremberg
A WWII psychiatrist evaluates Nazi leaders before the Nuremberg trials, growing increasingly obsessed with understanding evil as he forms a disturbing bond with Hermann Göring.
The Righteous
A burdened man feels the wrath of a vengeful God after he and his wife are visited by a mysterious stranger.
Ready or Not
A bride's wedding night takes a sinister turn when her eccentric new in-laws force her to take part in a terrifying game.
Marriage Story
A stage director and an actress struggle through a grueling, coast-to-coast divorce that pushes them to their personal extremes.
The Front Runner
In 1987, U.S. Senator Gary Hart's presidential campaign is derailed when he's caught in a scandalous love affair.
The Darkest Minds
After a disease kills 98% of America's children, the surviving 2% develop superpowers and are placed in internment camps. A 16-year-old girl escapes her camp and joins a group of other teens on the run from the government.
Kin
A young boy finds a powerful otherworldly weapon, which he uses to save his older adoptive brother from a crew of thugs. Before long, the two of them are also pursued by federal agents and mysterious mercenaries aiming to reclaim their asset.
How It Ends
A desperate father tries to return home to his pregnant wife after a mysterious apocalyptic event turns everything to chaos.
Bad Times at the El Royale
Lake Tahoe, 1969. Seven strangers, each one with a secret to bury, meet at El Royale, a decadent motel with a dark past. In the course of a fateful night, everyone will have one last shot at redemption.
Anon
In a world without anonymity or crime, a detective meets a woman who threatens their security.
Arrival
Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.
How to Plan an Orgy in a Small Town
In high school Cassie Cranston was slut-shamed out of the wholesome and repressed town of Beaver’s Ridge following a humiliating attempt at losing her virginity.
Republic of Doyle
Jake Doyle and his ex-cop father, Malachy, run a Newfoundland detective agency. Their rugged seaside town never lacks for intriguing cases, and the Doyles don't always land on the right side of the law.