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 1 August 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
- Arrival (2016) as Captain Marks
- Ready or Not (2019) as Alex
- Perry Mason (2020) as Thomas Milligan
- Halt and Catch Fire (2014) as Tom Rendon
- Killjoys (2015) as Grayson Hicks
- Nuremberg (2025) as Colonel John Amen
- Republic of Doyle (2010) as Des Courtney
- Your Honor (2020) as Father Jay
- The Copenhagen Test (2025) as Edmund Cobb
- City on a Hill (2019) as Jimmy Ryan
- 61st Street (2022) as Officer Logan
- The Outer Threat (2026) Cast
- Marriage Story (2019) as Carter Mitchum
- The Sticky (2024) as Charlie
- The Last Tycoon (2017) as Max Miner
- The Darkest Minds (2018) as Rob Meadows
- Bad Times at the El Royale (2018) as Larsen Rogers
- Parallel (2018) as Josh
- How It Ends (2018) as Jeremiah
- Anon (2018) as Cyrus Frear
- Kin (2018) as Jake
- The Memory Keeper (2025) as Elizeus Carrier
- Blue Bayou (2021) as Ace
- The Front Runner (2018) as Billy Shore
- The Four Horsemen (2008) as Eric Rollins
- Seven Veils (2025) as Paul
- Shadow of God (2025) as Mason Harper
- The Voices of Our Mother (2026) as William
- How to Plan an Orgy in a Small Town (2015) as Bruce Buck
- Little One Cast
- Epilogue (2008) as Henry
- Better People as John
- Kathy (2011) Director
- Pretty Girls (2008) Director
- State Like Sleep (2019) as Darren
- Brad (2010) as Brad
- Dennis (2015) as Dennis
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: Arrival (2016), Ready or Not (2019), Nuremberg (2025), The Outer Threat (2026), Marriage Story (2019).
What TV shows has Mark O'Brien appeared in?
Selected TV credits: The Kelly Clarkson Show (2019), Hannibal (2013), Warehouse 13 (2009), Perry Mason (2020), Halt and Catch Fire (2014).
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