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 19 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
- The Mentalist (2008) as Sheriff Nelson
- Criminal Minds (2005) as Det. Yarbough
- S.W.A.T. (2017) as Carl Luca
- 24 (2001) as Richard Welsh
- Prison Break (2005) as Herb Stanton
- CSI: Miami (2002) as Jerry Blackburn
- NCIS: Los Angeles (2009) as Ret. U.S. Army General Richard Collins
- Tracker (2024) as Buck Avery
- The X-Files (1993) as Patrol Captain Van Gelder
- Without a Trace (2002) as Thomas Shannon
- Sons of Anarchy (2008) as Anthony Franklin
- ER (1994) as Col. Ken Kilner
- The West Wing (1999) as Ron Butterfield
- JAG (1995) as Commander Bradley
- Tom Clancy's Jack Ryan (2018) as Senator Mitchell Chapin
- Fringe (2008) as Sheriff Velchik
- Crossing Jordan (2001) as Chris Benz
- Ghost Whisperer (2005) as Nolan
- Diagnosis: Murder (1993) as Sheriff Buck O'Hara
- War of the Worlds (2025) as Secretary of Defense Walter Crystal
- The Resident (2018) as Joshua Williams
- Chicago Hope (1994) as Bill Wyzinski
- Rizzoli & Isles (2010) as Jonathan McKnight
- This Is Us (2016) as Arlo
- The Practice (1997) as Judge Robert Temple
- Scandal (2012) as Lonnie Mencken
- Boston Legal (2004) as Dr. Robert McLean
- Numb3rs (2005) as Boyd Keene
- The Unit (2006) as Ron Cheals
- Bates Motel (2013) as Nick Ford
- Boston Public (2000) as Dr. Bernard Colbert
- Close to Home (2005) as Don Wheeler
- Fire Country (2022) as Harlan Denbo
- Millennium (1996) as County Prosecutor Calvin Smith
- 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), Air (2023), Transformers (2007), Dallas Buyers Club (2013), Traffic (2000).
What TV shows has Michael O'Neill appeared in?
Selected TV credits: Grey's Anatomy (2005), NCIS (2003), The Mentalist (2008), Criminal Minds (2005), 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