Mark O'Brien

Full filmography

• The Outer Threat (2026)
• The Voices of Our Mother (2026) as William
• The Voices of Our Mother (2026) Director
• The Voices of Our Mother (2026) Writer
• Nuremberg (2025) as Colonel John Amen
• The Copenhagen Test (2025) as Edmund Cobb
• The Memory Keeper (2025) as Elizeus Carrier
• Shadow of God (2025) as Mason Harper
• Seven Veils (2025) as Paul
• Topper (2025) as Topper
• The Sticky (2024) as Charlie
• 61st Street (2022) as Officer Logan
• Blue Bayou (2021) as Ace
• The Righteous (2021) as Aaron Smith
• The Righteous (2021) Director
• The Righteous (2021) Writer
• The Righteous (2021) Executive Producer
• Perry Mason (2020) as Thomas Milligan
• Your Honor (2020) as Father Jay
• The Kelly Clarkson Show (2019) as Self
• Ready or Not (2019) as Alex
• City on a Hill (2019) as Jimmy Ryan
• Marriage Story (2019) as Carter Mitchum
• State Like Sleep (2019) as Darren
• Goalie (2019) as Terry Sawchuk
• Goalie (2019) Executive Producer
• Hammer (2019) as Chris Davis
• Bad Times at the El Royale (2018) as Larsen Rogers
• The Darkest Minds (2018) as Rob Meadows
• How It Ends (2018) as Jeremiah
• Anon (2018) as Cyrus Frear
• Kin (2018) as Jake
• The Front Runner (2018) as Billy Shore
• Parallel (2018) as Josh
• The Last Tycoon (2017) as Max Miner
• Arrival (2016) as Captain Marks
• The Dark Stranger (2016) as Mark
• Wanderer (2016) as Eric
• Wanderer (2016) Director
• Wanderer (2016) Producer
• Killjoys (2015) as Grayson Hicks
• How to Plan an Orgy in a Small Town (2015) as Bruce Buck
• Dennis (2015) as Dennis
• Dennis (2015) Producer
• End of Days, Inc. (2015) as Jason
• Halt and Catch Fire (2014) as Tom Rendon
• Hannibal (2013) as Randall Tier
• Sweetieface (2013) as Sam
• Sweetieface (2013) Director
• Sweetieface (2013) Producer
• Sweetieface (2013) Editor
• Beat Down (2012) as Michael
• Kathy (2011) Director
• Republic of Doyle (2010) as Des Courtney
• Brad (2010) as Brad
• Brad (2010) Producer
• Brad (2010) Editor
• Grown Up Movie Star (2010) as Will
• Snarbuckled (2010) as Jacob O'Higgins
• Warehouse 13 (2009) as Jerry Hoffler
• Quiet at Dawn (2009) as Watts
• Mum's the Word (2009) as Curtis
• Cut from the Same Cloth (2009) as Jack Cochrane
• Pretty Girls (2008) Director
• Pretty Girls (2008) Writer
• Pretty Girls (2008) Editor
• Pretty Girls (2008) Cinematography
• The Four Horsemen (2008) as Eric Rollins
• Epilogue (2008) as Henry
• The One That Got Away (2008) as Tommy Palchek
• Heartless Disappearance Into Labrador Seas (2008) as Charlie
• Little One
• Better People as John
• Better People Director
• Better People Writer
• Better People Editor
• Good in the Room as Charlie
• Good in the Room Writer
• Good in the Room Executive Producer
• Nice People
• Nice People Director