Where to watch Michael O'Neill in the UK
Find every Michael O'Neill film and TV show streaming, free, or available to rent in the UK. Updated daily — verified 17 June 2026.
From Wikipedia, the free encyclopedia. Michael O'Neill (born May 29, 1951) is an American actor. With a career stretching through three decades, he usually portrays senior law enforcement or military officers. He is perhaps best known for his role as Special agent Ron Butterfield, the head of President Josiah Bartlet's Secret Service detail, on The West Wing. He played CTU Administrative Director Richard Walsh in the first two episodes of 24. He played Sgt. Maj. Ron Cheals in the CBS action-drama series The Unit. He starred in the Season Six 2 part Finale of Grey's Anatomy as the broken wido…
Michael O'Neill films streaming in the UK
Most-watched films featuring Michael O'Neill, available across UK streaming, rent and buy.
Michael O'Neill TV shows streaming in the UK
Selected TV credits featuring Michael O'Neill.
Full filmography
Every credit ScreenSearch indexes for Michael O'Neill, ranked by popularity. Click any title for UK streaming, rent and buy options.
- Grey's Anatomy (2005) as Gary Clark
- NCIS (2003) as Riley McCallister
- Criminal Minds (2005) as Det. Yarbough
- The Mentalist (2008) as Sheriff Nelson
- S.W.A.T. (2017) as Carl Luca
- Prison Break (2005) as Herb Stanton
- CSI: Miami (2002) as Jerry Blackburn
- 24 (2001) as Richard Welsh
- NCIS: Los Angeles (2009) as Ret. U.S. Army General Richard Collins
- The X-Files (1993) as Patrol Captain Van Gelder
- Sons of Anarchy (2008) as Anthony Franklin
- Tracker (2024) as Buck Avery
- ER (1994) as Col. Ken Kilner
- Tom Clancy's Jack Ryan (2018) as Senator Mitchell Chapin
- JAG (1995) as Commander Bradley
- The West Wing (1999) as Ron Butterfield
- Fringe (2008) as Sheriff Velchik
- Without a Trace (2002) as Thomas Shannon
- War of the Worlds (2025) as Secretary of Defense Walter Crystal
- The Resident (2018) as Joshua Williams
- Diagnosis: Murder (1993) as Sheriff Buck O'Hara
- Ghost Whisperer (2005) as Nolan
- Rizzoli & Isles (2010) as Jonathan McKnight
- The Practice (1997) as Judge Robert Temple
- This Is Us (2016) as Arlo
- Scandal (2012) as Lonnie Mencken
- Chicago Hope (1994) as Bill Wyzinski
- Boston Legal (2004) as Dr. Robert McLean
- Crossing Jordan (2001) as Chris Benz
- Numb3rs (2005) as Boyd Keene
- Bates Motel (2013) as Nick Ford
- Boston Public (2000) as Dr. Bernard Colbert
- The Unit (2006) as Ron Cheals
- Close to Home (2005) as Don Wheeler
- Millennium (1996) as County Prosecutor Calvin Smith
- Fire Country (2022) as Harlan Denbo
- Leverage (2008) as Judge Roy
- Army Wives (2007) as Reverend Bankerd
- Roswell (1999) as Philip Evans
- Shooter (2016) as Ray Brooks
Michael O'Neill — FAQ
Where can I watch Michael O'Neill films in the UK?
Michael O'Neill'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 Michael O'Neill's most popular films?
Most-watched Michael O'Neill films currently: War of the Worlds (2025), Transformers (2007), Air (2023), Traffic (2000), Dallas Buyers Club (2013).
What TV shows has Michael O'Neill appeared in?
Selected TV credits: Grey's Anatomy (2005), NCIS (2003), Criminal Minds (2005), The Mentalist (2008), S.W.A.T. (2017).
Looking for a specific title?
Type any film or TV show and ScreenSearch will instantly tell you which UK service has it.
Search any title