Where to watch Mark O'Brien in the UK
Find every Mark O'Brien film and TV show streaming, free, or available to rent in the UK. Updated daily — verified 3 May 2026.
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).
Mark O'Brien films streaming in the UK
Most-watched films featuring Mark O'Brien, available across UK streaming, rent and buy.
Mark O'Brien TV shows streaming in the UK
Selected TV credits featuring Mark O'Brien.
Full filmography
Every credit ScreenSearch indexes for Mark O'Brien, ranked by popularity. Click any title for UK streaming, rent and buy options.
- The Kelly Clarkson Show (2019) as Self
- Hannibal (2013) as Randall Tier
- Warehouse 13 (2009) as Jerry Hoffler
- Nuremberg (2025) as Colonel John Amen
- Republic of Doyle (2010) as Des Courtney
- Ready or Not (2019) as Alex Le Domas
- Halt and Catch Fire (2014) as Tom Rendon
- Perry Mason (2020) as Thomas Milligan
- Arrival (2016) as Captain Marks
- Your Honor (2020) as Father Jay
- Killjoys (2015) as Grayson Hicks
- City on a Hill (2019) as Jimmy Ryan
- The Copenhagen Test (2025) as Edmund Cobb
- Marriage Story (2019) as Carter Mitchum
- The Sticky (2024) as Charlie
- 61st Street (2022) as Officer Logan
- The Last Tycoon (2017) as Max Miner
- Bad Times at the El Royale (2018) as Larsen Rogers
- The Darkest Minds (2018) as Rob Meadows
- How It Ends (2018) as Jeremiah
- Kin (2018) as Jake
- Anon (2018) as Cyrus Frear
- The Front Runner (2018) as Billy Shore
- Parallel (2018) as Josh
- Shadow of God (2025) as Mason Harper
- Seven Veils (2025) as Paul
- How to Plan an Orgy in a Small Town (2015) as Bruce Buck
- Blue Bayou (2021) as Ace
- Goalie (2019) as Terry Sawchuk
- Hammer (2019) as Chris Davis
- The Four Horsemen (2008) as Eric Rollins
- End of Days, Inc. (2015) as Jason
- State Like Sleep (2019) as Darren
- Topper (2025) as Topper
- The Memory Keeper (2025) as Elizeus Carrier
- The Righteous (2021) as Aaron Smith
- The One That Got Away (2008) as Tommy Palchek
- Beat Down (2012) as Michael
- Grown Up Movie Star (2010) as Will
- The Voices of Our Mother as William
- Heartless Disappearance Into Labrador Seas (2008) as Charlie
- Dennis (2015) as Dennis
- The Dark Stranger (2016) as Mark
- Snarbuckled (2010) as Jacob O'Higgins
- The Outer Threat Cast
- Wanderer (2016) as Eric
- Mum's the Word (2009) as Curtis
- Brad (2010) as Brad
- Kathy (2011) Director
- Epilogue (2008) as Henry
- Nice People Cast
- Cut from the Same Cloth (2009) as Jack Cochrane
- Quiet at Dawn (2009) as Watts
- Better People as John
- Sweetieface (2013) as Sam
- Pretty Girls (2008) Director
Mark O'Brien — FAQ
Where can I watch Mark O'Brien films in the UK?
Mark O'Brien's films and TV shows are available across UK streaming services. Click any title in the filmography below to see exactly which UK service has it — Netflix, Amazon Prime Video, Disney+, Apple TV+, BBC iPlayer, ITVX, NOW, Sky, MUBI and more — updated daily.
What are Mark O'Brien's most popular films?
Most-watched Mark O'Brien films currently: Nuremberg (2025), Ready or Not (2019), Arrival (2016), Marriage Story (2019), Bad Times at the El Royale (2018).
What TV shows has Mark O'Brien appeared in?
Selected TV credits: The Kelly Clarkson Show (2019), Hannibal (2013), Warehouse 13 (2009), Republic of Doyle (2010), Halt and Catch Fire (2014).
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