Michael O'Neill

Cast

Michael O'Neill

Acting

Known for

Acting

Born

1947-05-29

From

Montgomery, Alabama, USA

Also known as مایکل اونیل

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.

War of the Worlds
4.1
MOVIE2025

War of the Worlds

as Secretary of Defense Walter Crystal

Air
7.3
MOVIE2023

Air

as Joe Dean

Transformers
6.8
MOVIE2007

Transformers

as Tom Banacheck

Dreamcatcher
5.7
MOVIE2003

Dreamcatcher

as Gen. Matheson

Dallas Buyers Club
7.9
MOVIE2013

Dallas Buyers Club

as Richard Barkley

Traffic
7.1
MOVIE2000

Traffic

as Lawyer Rodman

Bride Hard
5.6
MOVIE2025

Bride Hard

as Frank

Seabiscuit
7.1
MOVIE2003

Seabiscuit

as Mr. Pollard

J. Edgar
6.2
MOVIE2011

J. Edgar

as Senator McKellar

Sea of Love
6.6
MOVIE1989

Sea of Love

as Raymond Brown

Green Zone
6.5
MOVIE2010

Green Zone

as Colonel Bethel

Around the Bend
5.9
MOVIE2004

Around the Bend

as Cowboy

Secondhand Lions
7.2
MOVIE2003

Secondhand Lions

as Ralph

The Legend of Bagger Vance
6.6
MOVIE2000

The Legend of Bagger Vance

as O.B. Keeler

Lorenzo's Oil
7.1
MOVIE1992

Lorenzo's Oil

as School Psychologist

The Sunchaser
6.3
MOVIE1996

The Sunchaser

as Agent Moreland

Ghost Story
6.0
MOVIE1981

Ghost Story

as Churchill

Bushwhacked
5.4
MOVIE1995

Bushwhacked

as Jon Jordan

Nothing But the Truth
7.0
MOVIE2008

Nothing But the Truth

as CIA Director

Clemency
6.3
MOVIE2019

Clemency

as Chaplain David Kendricks

Jennifer Eight
6.1
MOVIE1992

Jennifer Eight

as Serato

American Crime
3.8
MOVIE2004

American Crime

as Sheriff Smyth

Flying Lessons
5.6
MOVIE2010

Flying Lessons

as Chief Dobbs

Standoff
6.0
MOVIE1998

Standoff

as Cult Leader (Voice)

ATF
5.8
MOVIE1999

ATF

as ATF Asst. Director Ben Walker

Cold Call
MOVIE2021

Cold Call

as Christian

Blind Justice
5.2
MOVIE1994

Blind Justice

as Spencer Heymen

Danger One
6.1
MOVIE2018

Danger One

as Beckwith

Crazy
5.5
MOVIE2008

Crazy

as Ralph Christianson

The Grim Sleeper
4.9
MOVIE2014

The Grim Sleeper

as Detective Simms

The Gun in Betty Lou's Handbag
5.1
MOVIE1992

The Gun in Betty Lou's Handbag

as Jergens

Virtual Obsession
4.1
MOVIE1998

Virtual Obsession

Indivisible
6.9
MOVIE2018

Indivisible

as Chaplain Rogers

The Mod Squad
4.4
MOVIE1999

The Mod Squad

as Greene

An Unremarkable Life
10.0
MOVIE1989

An Unremarkable Life

as Michael

Victim of Love: The Shannon Mohr Story
7.6
MOVIE1993

Victim of Love: The Shannon Mohr Story

as Dick Britton

A Quiet Little Marriage
5.1
MOVIE2008

A Quiet Little Marriage

as Bruce

For Their Own Good
6.3
MOVIE1993

For Their Own Good

as Clark Thompson

The Stand at Paxton County
5.9
MOVIE2020

The Stand at Paxton County

as Dell Connelly

Dancer, Texas Pop. 81
7.0
MOVIE1998

Dancer, Texas Pop. 81

as Mr. Lusk

Awake to Danger
6.8
MOVIE1995

Awake to Danger

as Detective Brickman

Beyond Betrayal
6.5
MOVIE1994

Beyond Betrayal

as Ray Pasquerello

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