All Movies List
Clemency

as Chaplain David Kendricks

2019
Indivisible

as Chaplain Rogers

2018
11.22.63

as Mr. Price

2016
The Grim Sleeper

as Detective Simms

2014
Dallas Buyers Club

as Richard Barkley

2013
Green Zone

as Colonel Bethel

2010
Transformers

as

2007
American Crime

as Sheriff Smyth

2004
Seabiscuit

as

2003
Dreamcatcher

as

2003
Traffic

as

2000
The Sunchaser

as Agent Moreland

1996
Jennifer Eight

as Serato

1992
Michael O'Neill Michael O'Neill

Birthday

1947-05-29

Place of Birth

Montgomery, Alabama, United States

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.
AD

WATCH FREE FOR 30 DAYS

All Prime Video
Cancel anytime
Watch Now