​From Wikipedia, the free encyclopedia.Michael ONeill (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 Bartlets 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 Greys 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. ONeill 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.

Films indisponible à partir de Michael O'Neill

Air

Joe Dean

Film 2023

A Quiet Little Marriage

Bruce

Film 2008

Dancer, Texas Pop. 81

Mr. Lusk

Film 1998

War of the Worlds

Film

An Unremarkable Life

Michael

Film 1989

Bride Hard

Film 2024

Virtual Obsession

Film 1998

Indivisible

Chaplain Rogers

Film 2018

Ghost Story

Churchill

Film 1981

Clemency

Chaplain David Kendricks

Film 2019

Beyond Betrayal

Ray Pasquerello

Film 1994

The Stand at Paxton County

Dell Connelly

Film 2020

American Crime

Sheriff Smyth

Film 2004

Cold Call

Christian

Film 2021

Séries TV indisponible à partir de Michael O'Neill

This Is Us

Arlo

Tv 2016

JAG

Commander Bradley

Tv 1995

The X-Files

Patrol Captain Van Gelder

Tv 1993

Roswell

Philip Evans

Tv 1999

Chicago Hope

Tv 1994

Ghost Whisperer

Nolan

Tv 2005

The Glades

Trent Staley

Tv 2010

Rizzoli & Isles

Jonathan McKnight

Tv 2010

24

Richard Walsh

Tv 2001

24

Richard Welsh

Tv 2001

Extant

Alan Sparks

Tv 2014

FlashForward

CIA Director Keller

Tv 2009

Law & Order: LA

Jeb Monroe

Tv 2010

Diagnosis: Murder

Sheriff Buck O'Hara

Tv 1993

Bates Motel

Nick Ford

Tv 2013

Manhattan

Psychiatrist

Tv 2014

The West Wing

Ron Butterfield

Tv 1999

Sons of Anarchy

Anthony Franklin

Tv 2008

The Mentalist

Sheriff Nelson

Tv 2008

Grey's Anatomy

Gary Clark

Tv 2005

11.22.63

Arliss Price

Tv 2016

One West Waikiki

Tv 1994

The Nine

Pete Burton

Tv 2006

Rectify

Senator Roland Foulkes

Tv 2013

Fringe

Sheriff Velchik

Tv 2008

Scandal

Lonnie Mencken

Tv 2012

The Resident

Joshua Williams

Tv 2018

Prison Break

Herb Stanton

Tv 2005

NCIS: Los Angeles

Ret. U.S. Army General Richard Collins

Tv 2009

NCIS

Riley McCallister

Tv 2003

ER

Col. Ken Kilner

Tv 1994

Commander in Chief

Congressman Wilcox

Tv 2005

The Unit

Ron Cheals

Tv 2006

Shooter

Ray Brooks

Tv 2016

Tom Clancy's Jack Ryan

Senator Mitchell Chapin

Tv 2018

Criminal Minds

Det. Yarbough

Tv 2005

Fire Country

Harlan Denbo

Tv 2022

Outer Range

Judge Pettigrew

Tv 2022

Leverage

Judge Roy

Tv 2008

The Romanoffs

Ron Hopkins

Tv 2018

Without a Trace

Thomas Shannon

Tv 2002

The Shining

Daniel Edwards (uncredited)

Tv 1997

S.W.A.T.

Carl Luca

Tv 2017

Crossing Jordan

Chris Benz

Tv 2001

Messiah

Cameron Collier

Tv 2020

LAX

Alonso Mathews

Tv 2004

Happy's Place

Jim Jackoway

Tv 2024

Millennium

County Prosecutor Calvin Smith

Tv 1996