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Personal Info

Birth date

1947-05-29 (78 Years)

Gender

Male

Known for

Acting

Place of birth

Montgomery, Alabama, USA

Also known as

مایکل اونیل

Michael O'Neill

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.

Filmography

Acting

TBAWar of the Worlds as Unknown

2025Bride Hard as Frank

2024Happy's Place (2 Episodes) as Jim Jackoway

2023Air as Joe Dean

2022Fire Country (1 Episode) as Harlan Denbo

2022Echoes (7 Episodes) as Victor McCleary

2022Outer Range (2 Episodes) as Judge Pettigrew

2021Cold Call as Christian

2020The Stand at Paxton County as Dell Connelly

2020Messiah (5 Episodes) as Cameron Collier

2019Clemency as Chaplain David Kendricks

2018Indivisible as Chaplain Rogers

2018The Romanoffs (1 Episode) as Ron Hopkins

2018Danger One as Beckwith

2018Tom Clancy's Jack Ryan (5 Episodes) as Senator Mitchell Chapin

2018The Resident (1 Episode) as Joshua Williams

2017S.W.A.T. (3 Episodes) as Carl Luca

2016Shooter (3 Episodes) as Ray Brooks

2016This Is Us (1 Episode) as Arlo

201611.22.63 (1 Episode) as Arliss Price

2014Manhattan (1 Episode) as Psychiatrist

2014Extant (13 Episodes) as Alan Sparks

2014The Grim Sleeper as Detective Simms

2013Dallas Buyers Club as Richard Barkley

2013Rectify (15 Episodes) as Senator Roland Foulkes

2013Bates Motel (8 Episodes) as Nick Ford

2012Scandal (5 Episodes) as Lonnie Mencken

2011J. Edgar as Senator McKellar

2010Law & Order: LA (1 Episode) as Jeb Monroe

2010Rizzoli & Isles (1 Episode) as Jonathan McKnight

2010The Glades (1 Episode) as Trent Staley

2010Green Zone as Colonel Bethel

2009FlashForward (1 Episode) as CIA Director Keller

2009NCIS: Los Angeles (1 Episode) as Ret. U.S. Army General Richard Collins

2008Nothing But the Truth as CIA Director

2008Leverage (1 Episode) as Judge Roy

2008A Quiet Little Marriage as Bruce

2008The Mentalist (1 Episode) as Sheriff Nelson

2008Fringe (1 Episode) as Sheriff Velchik

2008Sons of Anarchy (1 Episode) as Anthony Franklin

2008Crazy as Ralph Christianson

2007Transformers as Tom Banacheck

2006The Nine (3 Episodes) as Pete Burton

2006The Unit (1 Episode) as Ron Cheals

2005Commander in Chief (2 Episodes) as Congressman Wilcox

2005Ghost Whisperer (1 Episode) as Nolan

2005Criminal Minds (1 Episode) as Det. Yarbough

2005Prison Break (1 Episode) as Herb Stanton

2005Grey's Anatomy (4 Episodes) as Gary Clark

2004Around the Bend as Cowboy

2004LAX (1 Episode) as Alonso Mathews

2004American Crime as Sheriff Smyth

2003NCIS (3 Episodes) as Riley McCallister

2003Secondhand Lions as Ralph

2003Seabiscuit as Mr. Pollard

2003Dreamcatcher as General Matheson

2002Without a Trace (1 Episode) as Thomas Shannon

200124 (1, 1 Episode) as Richard Welsh, Richard Walsh

2001Crossing Jordan (1 Episode) as Chris Benz

2000Traffic as Lawyer Rodman

2000The Legend of Bagger Vance as O.B. Keeler

2000Boston Public (4 Episodes) as Dr. Bernard Colbert

1999Roswell (1 Episode) as Philip Evans

1999The West Wing (15 Episodes) as Ron Butterfield

1999ATF as ATF Asst. Director Ben Walker

1999The Mod Squad as Greene

1998Dancer, Texas Pop. 81 as Mr. Lusk

1998Virtual Obsession as Unknown

1998Standoff as Cult Leader (Voice)

1997Ally McBeal (1 Episode) as Dr. Colbert

1997The Shining (1 Episode) as Daniel Edwards (uncredited)

1996Millennium (1 Episode) as County Prosecutor Calvin Smith

1996The Sunchaser as Agent Moreland

1995JAG (1 Episode) as Commander Bradley

1995Bushwhacked as Jon Jordan

1995Awake to Danger as Detective Brickman

1994Beyond Betrayal as Ray Pasquerello

1994ER (1 Episode) as Col. Ken Kilner

1994Chicago Hope (1 Episode) as Unknown

1994One West Waikiki (1 Episode) as Unknown

1994Blind Justice as Spencer Heymen

1993Victim of Love: The Shannon Mohr Story as Dick Britton

1993Diagnosis: Murder (1 Episode) as Sheriff Buck O'Hara

1993The X-Files (1 Episode) as Patrol Captain Van Gelder

1993For Their Own Good as Clark Thompson

1992Lorenzo's Oil as School Psychologist

1992Jennifer Eight as Serato

1992The Gun in Betty Lou's Handbag as Jergens

1989An Unremarkable Life as Michael

1989Sea of Love as Raymond Brown

1981Ghost Story as Churchill

Production

2017On Yoga: The Architecture of Peace ... Producer

2002The Emperor's Club ... Co-Producer