🎬 Movies Mates PEOPLE
Michael O'Neill
Acting
Biography
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 …
Read full biography
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.
Biography expanded
BODY OF WORK
Michael O'Neill's Filmography
Select any movie to open its full Movies Mates details page.
War of the Worlds
as Secretary of Defense Walter Crystal
Bride Hard
as Frank
Air
as Joe Dean
Cold Call
as Christian
The Stand at Paxton County
as Dell Connelly
Clemency
as Chaplain David Kendricks
Indivisible
as Chaplain Rogers
Danger One
as Beckwith
The Grim Sleeper
as Detective Simms
Dallas Buyers Club
as Richard Barkley
J. Edgar
as Senator McKellar
Green Zone
as Colonel Bethel
Flying Lessons
as Chief Dobbs
Nothing But the Truth
as CIA Director
A Quiet Little Marriage
as Bruce
Crazy
as Ralph Christianson
Transformers
as Tom Banacheck
Around the Bend
as Cowboy
American Crime
as Sheriff Smyth
Secondhand Lions
as Ralph
Seabiscuit
as Mr. Pollard
Dreamcatcher
as Gen. Matheson
Traffic
as Lawyer Rodman
The Legend of Bagger Vance
as O.B. Keeler
ATF
as ATF Asst. Director Ben Walker
The Mod Squad
as Greene
Dancer, Texas Pop. 81
as Mr. Lusk
Virtual Obsession
Standoff
as Cult Leader (Voice)
The Sunchaser
as Agent Moreland
Bushwhacked
as Jon Jordan
Awake to Danger
as Detective Brickman
Beyond Betrayal
as Ray Pasquerello
Blind Justice
as Spencer Heymen
Victim of Love: The Shannon Mohr Story
as Dick Britton
For Their Own Good
as Clark Thompson
Lorenzo's Oil
as School Psychologist
Jennifer Eight
as Serato
The Gun in Betty Lou's Handbag
as Jergens
An Unremarkable Life
as Michael
Sea of Love
as Raymond Brown
Ghost Story
as Churchill