
Mark O'Brien
Acting
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

Kelly Clarkson presents the biggest newsmakers and names in film, television and music; as well as emerging new talent and everyday people who are beacons of hope in their communities.
The Kelly Clarkson Show

Both a gift and a curse, Graham has the extraordinary ability to think like his prey—he sees what they see, feels what they feel. But while Graham is pursuing an especially troubling, cannibalistic murderer, Special Agent Jack Crawford teams him with a highly respected psychiatrist – a man with a taste for the criminal minded – Dr. Hannibal Lecter.
Hannibal

After saving the life of the President, two secret service agents - Myka Bering and Pete Lattimer - find themselves assigned to the top secret Warehouse 13. The Warehouse is a massive, top secret facility that houses dangerous and fantastical objects. Together, Pete and Myka along with fellow agents Claudia, Steve Jinks and Warehouse caretaker Artie, must recover artifacts from around the globe before they can cause catastrophic damage.
Warehouse 13

In postwar Germany, an American psychiatrist must determine whether Nazi prisoners are fit to go on trial for war crimes, and finds himself in a complex battle of intellect and ethics with Hermann Göring, Hitler's right-hand man.
Nuremberg

A young bride's wedding night turns into her worst nightmare when her ridiculously rich in-laws force her to play a gruesome game of hide-and-seek.
Ready or Not

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.
Republic of Doyle

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.
Arrival

During the rise of the PC era in the early 1980s, an unlikely trio - a visionary, an engineer and a prodigy - take personal and professional risks in the race to build a computer that will change the world as they know it.
Halt and Catch Fire

Set in 1932 Los Angeles, the series focuses on the origin story of famed defense lawyer Perry Mason. Living check-to-check as a low-rent private investigator, Mason is haunted by his wartime experiences in France and suffering the effects of a broken marriage. L.A. is booming while the rest of the country recovers from the Great Depression — but a kidnapping gone very wrong leads to Mason exposing a fractured city as he uncovers the truth of the crime.
Perry Mason

An action-packed adventure series following a fun-loving, hard living trio of interplanetary bounty hunters (a.k.a. Killjoys) sworn to remain impartial as they chase deadly warrants around the Quad, a system of planets on the brink of revolution.
Killjoys

New Orleans judge Michael Desiato is forced to confront his own deepest convictions when his son is involved in a hit and run that embroils an organized crime family.
Your Honor

In early 90s Boston, an African-American District Attorney comes in from Brooklyn advocating change and forms an unlikely alliance with a corrupt yet venerated FBI veteran invested in maintaining the status quo. Together they take on a family of armored car robbers from Charlestown in a case that grows to encompass and eventually upend Boston’s city-wide criminal justice system.
City on a Hill

When an analyst discovers his eyes and ears have been hacked, he's drawn into a controlled world designed by his agency to draw out their enemies.
The Copenhagen Test

A stage director and an actress struggle through a grueling, coast-to-coast divorce that pushes them to their personal extremes.
Marriage Story

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.
Bad Times at the El Royale

Moses Johnson is a promising high-school athlete with a bright future who’s accused of murdering a police officer during a drug bust gone wrong. Swept up into the infamously corrupt Chicago criminal justice system, Moses’ case is taken up by ageing public defender Franklin Roberts, who sees this as his chance to finally challenge the institutional racism at the heart of the judicial system.
61st Street

Jeanine, an earnest theatre director, has been given the task of remounting her former mentor’s most famous work, the opera Salome. Haunted by dark and disturbing memories from her past, she allows her repressed trauma to color the present as she re-enters the opera world after so many years away.
Seven Veils

Ruth Clarke, a tough, supremely competent middle-aged Canadian maple syrup farmer has had it with being hemmed in by the polite, bureaucratic conventions native to her country’s identity. With the help of Remy Bouchard, a pint-sized local blockhead and an aging Mike Byrne, a low-level mobster, Ruth changes her fate — and transforms the future of her community with the theft of millions of dollars’ worth of maple syrup.
The Sticky

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.
The Darkest Minds

From F. Scott Fitzgerald's last work, The Last Tycoon follows Monroe Stahr, Hollywood's Golden Boy as he battles father figure and boss Pat Brady for the soul of their studio. In a world darkened by the Depression and the growing influence of Hitler's Germany, The Last Tycoon illuminates the passions, violence and towering ambition of 1930s Hollywood.