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Michael O'Neill

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-

Born

May 29, 1947

Montgomery, Alabama, USA

Known For

Acting

Movies

42 acting

2 crew

Popularity

1.9

Known For

War of the Worlds
War of the Worlds
2025 as Secretary of Defense Walter Crystal
★ 4.1
Traffic
Traffic
2000 as Lawyer Rodman
★ 7.1
Air
Air
2023 as Joe Dean
★ 7.3
Dallas Buyers Club
Dallas Buyers Club
2013 as Richard Barkley
★ 7.9
Green Zone
Green Zone
2010 as Colonel Bethel
★ 6.5
Transformers
Transformers
2007 as Tom Banacheck
★ 6.8
J. Edgar
J. Edgar
2011 as Senator McKellar
★ 6.2
Dreamcatcher
Dreamcatcher
2003 as Gen. Matheson
★ 5.6
Bride Hard
Bride Hard
2025 as Frank
★ 5.6
The Legend of Bagger Vance
The Legend of Bagger Vance
2000 as O.B. Keeler
★ 6.6
Sea of Love
Sea of Love
1989 as Raymond Brown
★ 6.6
Seabiscuit
Seabiscuit
2003 as Mr. Pollard
★ 7.1
Jennifer Eight
Jennifer Eight
1992 as Serato
★ 6.1
Secondhand Lions
Secondhand Lions
2003 as Ralph
★ 7.2
Lorenzo's Oil
Lorenzo's Oil
1992 as School Psychologist
★ 7.1
Nothing But the Truth
Nothing But the Truth
2008 as CIA Director
★ 7.0
Ghost Story
Ghost Story
1981 as Churchill
★ 6.0
Bushwhacked
Bushwhacked
1995 as Jon Jordan
★ 5.4
Danger One
Danger One
2018 as Beckwith
★ 6.1
Indivisible
Indivisible
2018 as Chaplain Rogers
★ 6.8
The Mod Squad
The Mod Squad
1999 as Greene
★ 4.4
The Sunchaser
The Sunchaser
1996 as Agent Moreland
★ 6.3
Clemency
Clemency
2019 as Chaplain David Kendricks
★ 6.3
ATF
ATF
1999 as ATF Asst. Director Ben Walker
★ 4.7
Around the Bend
Around the Bend
2004 as Cowboy
★ 5.9
The Gun in Betty Lou's Handbag
★ 5.1
Crazy
Crazy
2008 as Ralph Christianson
★ 5.3
Virtual Obsession
★ 3.7
The Grim Sleeper
The Grim Sleeper
2014 as Detective Simms
★ 4.9
Blind Justice
Blind Justice
1994 as Spencer Heymen
★ 5.0
Standoff
Standoff
1998 as Cult Leader (Voice)
★ 6.0
American Crime
American Crime
2004 as Sheriff Smyth
★ 3.6
Dancer, Texas Pop. 81
Dancer, Texas Pop. 81
1998 as Mr. Lusk
★ 7.0
For Their Own Good
For Their Own Good
1993 as Clark Thompson
★ 6.2
Flying Lessons
Flying Lessons
2010 as Chief Dobbs
★ 5.6
Beyond Betrayal
Beyond Betrayal
1994 as Ray Pasquerello
★ 6.3
A Quiet Little Marriage
A Quiet Little Marriage
2008 as Bruce
★ 5.1
Awake to Danger
Awake to Danger
1995 as Detective Brickman
★ 6.0
The Stand at Paxton County
The Stand at Paxton County
2020 as Dell Connelly
★ 5.9
Cold Call
Cold Call
2021 as Christian
An Unremarkable Life
An Unremarkable Life
1989 as Michael
Victim of Love: The Shannon Mohr Story
★ 7.2