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