Mark O'Brien

The film, which he wrote and directed himself, also won Best Screenplay at the Fantasia International Film Festival in Montreal and Manchester's Grimmfest, as well as Best Cinematography at Grimmfest and the Blood in the Snow Canadian Film Festival.

• Name — Mark O'Brien • Born — 7 May 1984 • Birthplace — St. John's, Newfoundland, Canada • Years Active — 2005–present • Children — 1 • Occupation — Actor, director

He is an English major with a Bachelor of Arts from Memorial University of Newfoundland. His mother was a nurse and his father a truck driver. O'Brien also has three older sisters. O'Brien married actress Georgina Reilly on January 6, 2013, after having met on the set of Republic of Doyle in 2011. He is friends with fellow Newfoundlander Jonny Harris, who was also guest at his wedding. In November 2017, the couple welcomed their first child, a daughter.

• Year — Title — Role — Notes • 2004–2007 — Kids' CBC — Himself • 2005–2006 — Legends and Lore of the North Atlantic • 2006 — Above and Beyond — Drake — 2 episodes • 2008 — data-sort-value="One That Got Away, The" | The One That Got Away — Tommy Palchek — TV movie • 2010–2014 — Republic of Doyle — Des Courtney — 77 episodes • 2011 — Warehouse 13 — Jerry Hoffler — Episode: "Don't Hate the Player" • 2012 — Diary of a Deadly P.I. — Des Courtney — 12 episodes • Murdoch Mysteries — Jerome Bradley — Episode: "Murdoch Night in Canada" • 2013 — This Hour Has 22 Minutes — Des Courtney • 2014 — Hannibal — Randall Tier — 2 episodes • Saving Hope — Marshall Parker — Episode: "Awakenings" • 2015–2017 — Halt and Catch Fire — Tom Rendon — 15 episodes • 2016–2017 — data-sort-value="Last Tycoon, The" | The Last Tycoon — Max Miner — 9 episodes • 2019–2021 — City on a Hill — Jimmy Ryan — 14 episodes • 2022–2023 — 61st Street — Officer Johnny Logan — Main role • 2023 — Your Honor — Father Jay — 3 episodes • Perry Mason — Thomas Milligan — Recurring role • 2025 — The Copenhagen Test — Cobb — Main cast • Trinity — Brian York — Recurring role