Mark O'Brien

Born: 1984-05-07, St. Johns, Newfoundland, Canada

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).

Filmography

• Hannibal (2013)
• Warehouse 13 (2009)
• Arrival (2016)
• Halt and Catch Fire (2014)
• Killjoys (2015)
• Republic of Doyle (2010)
• Your Honor (2020)
• Ready or Not (2019)
• The Copenhagen Test (2025)
• City on a Hill (2019)
• Nuremberg (2025)
• 61st Street (2022)
• Marriage Story (2019)
• Bad Times at the El Royale (2018)
• How It Ends (2018)
• The Darkest Minds (2018)
• Anon (2018)
• The Sticky (2024)
• The Outer Threat (2026)
• Seven Veils (2025)
• Shadow of God (2025)
• The Front Runner (2018)
• Parallel (2018)
• Blue Bayou (2021)
• Little One
• The Dark Stranger (2016)
• How to Plan an Orgy in a Small Town (2015)
• The Memory Keeper (2025)
• State Like Sleep (2019)
• Kathy (2011)