
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).
Born: May 7, 1984
Place of Birth: St. Johns, Newfoundland, Canada
Known For

Hannibal
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.

Your Honor
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.

Halt and Catch Fire
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.

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

Warehouse 13
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.

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.

Blue Bayou
As a Korean-American man raised in the Louisiana bayou works hard to make a life for his family, he must confront the ghosts of his past as he discovers that he could be deported from the only country he has ever called home.

Nuremberg
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.

Perry Mason
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.

City on a Hill
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.
Filmography
as Edmund Cobb
as Colonel John Amen
as Elizeus Carrier
as Mason Harper
as Paul
as Topper
as Charlie
as Officer Logan
as Ace
as Aaron Smith
as Father Jay
as Thomas Milligan
as Chris Davis
as Carter Mitchum
as Self
as Alex Le Domas
as Jimmy Ryan
as Terry Sawchuk
as Darren
as Billy Shore
as Larsen Rogers
as Jake
as Rob Meadows
as Jeremiah
as Cyrus Frear
as Josh
as Max Miner
as Captain Marks
as Eric
as Mark
as Bruce Buck
as Grayson Hicks
as Jason
as Dennis
as Tom Rendon
as Randall Tier
as Michael
as Jacob O'Higgins
as Des Courtney
as Will
as Jerry Hoffler
as Tommy Palchek
as Eric Rollins