1947-05-29 ( 77 years old ) in Montgomery, Alabama, USA
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.
Movies
Bride Hard
2025-06-19
Air
2023-04-05
Cold Call
2021-02-04
The Stand at Paxton County
2020-05-02
Clemency
2019-12-27
Indivisible
2018-10-26
Danger One
2018-09-14
The Grim Sleeper
2014-03-15
Dallas Buyers Club
2013-11-01
J. Edgar
2011-11-09
Green Zone
2010-03-11
Nothing But the Truth
2008-12-19
A Quiet Little Marriage
2008-10-18
Crazy
2008-03-02
Transformers
2007-06-27
Around the Bend
2004-10-08
American Crime
2004-04-06
Secondhand Lions
2003-09-19
Seabiscuit
2003-07-22
Dreamcatcher
2003-03-21
Traffic
2000-12-27
The Legend of Bagger Vance
2000-11-02
ATF
1999-09-06
The Mod Squad
1999-03-26
Dancer, Texas Pop. 81
1998-05-01
Virtual Obsession
1998-02-01
The Sunchaser
1996-05-29
Bushwhacked
1995-08-04
Awake to Danger
1995-03-12
Beyond Betrayal
1994-10-11
Blind Justice
1994-06-25
Victim of Love: The Shannon Mohr Story
1993-11-09
For Their Own Good
1993-04-05
Lorenzo's Oil
1992-12-30
Jennifer Eight
1992-11-06
The Gun in Betty Lou's Handbag
1992-08-21
An Unremarkable Life
1989-10-12
Sea of Love
1989-09-15
Ghost Story
1981-12-18
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