Michael O'Neill
Michael O'Neill
Michael O'Neill has appeared in 28 movies on CringeMDb. 14 contain sex scenes, nudity or sexual violence, and 14 do not.
- Most recent parent-safe movie: Air (2023)
- Most recent with adult content: Bride Hard (2025)
Born May 29, 1947 · Known for acting
50.0% Featured Movie Cringe Score (28 movies)
Michael O'Neill Movie Credits
Certified Parent-Safe
Green Zone
...as Colonel Bethel
Dreamcatcher
...as Gen. Matheson
Air
...as Joe Dean
Around the Bend
...as Cowboy
Blind Justice
...as Spencer Heymen
Dancer, Texas Pop. 81
...as Mr. Lusk
Bushwhacked
...as Jon Jordan
Secondhand Lions
...as Ralph
The Sunchaser
...as Agent Moreland
Clemency
...as Chaplain David Kendricks
Lorenzo's Oil
...as School Psychologist
The Stand at Paxton County
...as Dell Connelly
J. Edgar
...as Senator McKellar
Awake to Danger
...as Detective Brickman
Certified Cringeworthy
Transformers
...as Tom Banacheck
The Gun in Betty Lou's Handbag
...as Jergens
Dallas Buyers Club
...as Richard Barkley
Bride Hard
...as Frank
The Legend of Bagger Vance
...as O.B. Keeler
Traffic
...as Lawyer Rodman
Nothing But the Truth
...as CIA Director
Crazy
...as Ralph Christianson
Jennifer Eight
...as Serato
American Crime
...as Sheriff Smyth
Seabiscuit
...as Mr. Pollard
The Mod Squad
...as Greene
Standoff
...as Cult Leader (Voice)
Flying Lessons
...as Chief Dobbs
About Michael O'Neill
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 widower who holds the hospital hostage with a 9mm while pursuing the doctors responsible for unplugging his wife. His most notable film performances occur in Seabiscuit, Secondhand Lions, Transformers, Dancer, Texas Pop 81, Traffic, Sea of Love, A Quiet Little Marriage, Nothing But the Truth, and Green Zone. O'Neill graduated from Auburn University in 1974. After attending Auburn he spent time under the tutelage of actor Will Geer and his daughter, Ellen, at Theatricum Botanicum in Los Angeles before moving to New York to pursue his career there.
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