Michael O'Neill
Age: N/A | From: Montgomery, Alabama, USA
Person Details
Birthday:
Aliases: No known aliases
Gender: Male
Place of birth: Montgomery, Alabama, USA
Homepage:
Movie Involvements: 34
TV Involvements: 40
Most Famous Work
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.
Most Famous Work
Grey's Anatomy
(2005) Gary Clark
Criminal Minds
(2005) Det. Yarbough
NCIS
(2003) Riley McCallister
S.W.A.T.
(2017) Carl Luca
Without a Trace
(2002) Thomas Shannon
Prison Break
(2005) Herb Stanton
The Mentalist
(2008) Sheriff Nelson
24
(2001) Richard WalshActing
| Year | Character | Movie/Tv |
|---|---|---|
| 2023 | Joe Dean | |
| 2022 | Harlan Denbo | |
| Victor McCleary | ||
| 2021 | Christian | |
| 2020 | Dell Connelly | |
| Cameron Collier | ||
| 2019 | Chaplain David Kendricks | |
| 2018 | Chaplain Rogers | |
| Ron Hopkins | ||
| Beckwith | ||
| Senator Mitchell Chapin | ||
| Joshua Williams | ||
| 2017 | Carl | |
| Carl Luca | ||
| 2016 | Arlo | |
| Arliss Price | ||
| 2014 | Psychiatrist | |
| Alan Sparks | ||
| Detective Simms | ||
| 2013 | Richard Barkley | |
| Senator Roland Foulkes | ||
| Nick Ford | ||
| 2012 | Lonnie Mencken | |
| 2011 | Senator McKellar | |
| 2010 | Jeb Monroe | |
| Jonathan McKnight | ||
| Trent Staley | ||
| Colonel Bethel | ||
| 2009 | CIA Director Keller | |
| Ret. U.S. Army General Richard Collins | ||
| 2008 | Judge Roy | |
| Bruce | ||
| Sheriff Nelson | ||
| Sheriff Velchik | ||
| Anthony Franklin | ||
| Ralph Christianson | ||
| 2007 | Tom Banacheck | |
| 2006 | Pete Burton | |
| Ron Cheals | ||
| 2005 | Congressman Wilcox | |
| Nolan | ||
| Det. Yarbough | ||
| Herb Stanton | ||
| Gary Clark | ||
| 2004 | Cowboy | |
| Sheriff Smyth | ||
| 2003 | Riley McCallister | |
| Ralph | ||
| Mr. Pollard | ||
| General Matheson | ||
| 2002 | Thomas Shannon | |
| 2001 | Richard Welsh | |
| Richard Walsh | ||
| Chris Benz | ||
| 2000 | O.B. Keeler | |
| Lawyer Rodman | ||
| 1999 | Philip Evans | |
| Ron Butterfield | ||
| Asst. A.T.F. Director Ben Walker | ||
| Greene | ||
| 1998 | Mr. Lusk | |
| N/A | ||
| 1997 | Daniel Edwards (uncredited) | |
| 1996 | Agent Moreland | |
| 1995 | Commander Bradley | |
| Jon Jordan | ||
| Detective Brickman | ||
| 1994 | Ray Pasquerello | |
| N/A | ||
| Spencer Heymen | ||
| 1993 | Dick Britton | |
| Sheriff Buck O'Hara | ||
| Patrol Captain Van Gelder | ||
| Clark Thompson | ||
| 1992 | School Psychologist | |
| Serato | ||
| Jergens | ||
| 1989 | Michael | |
| Raymond Brown | ||
| 1981 | Churchill | |
| N/A | ||
| Year | Character | Movie/Tv |
Production
| Year | Role | Movie/Tv |
|---|---|---|
| 2017 | Producer | |
| 2002 | Co-Producer | |
| Year | Role | Movie/Tv |
