Born in Montgomery, Alabama, USA
1947-05-29 (age 78)
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.From Wikipedia
Michael O'Neill may refer to:
Michael O'Neill (diplomat) (born 1967), British diplomat
Michael O'Neill (academic) (1953–2018), English poet and academic
Michael O'Neill (actor) (born 1951), American actor
Michael O'Neill (educator), pioneer in non-profit management education
Michael O'Neill (footballer) (born 1969), Northern Irish football player and manager
Michael O'Neill (politician) (1909–1976), Irish politician
Michael C. O'Neill (1888–1943), American politician
Michael E. O'Neill (born 1946), chairman of Citigroup
Mike O'Neill (basketball) (born 1928), American basketball player
Mike O'Neill (baseball) (1877–1959), Irish-born American starting pitcher and left fielder in Major League Baseball
Mike O'Neill (ice hockey) (born 1967), Canadian professional ice hockey goaltender
Mike O'Neill (lacrosse), three-time All-American lacrosse player
Mike O'Neill (musician) (born 1970), Canadian singer-songwriter
Mike O'Neill (rugby league) (born 1960), English rugby league footballer of the 1970s, 1980s and 1990s
Mike O'Neill, winner of a 2006 Costume Designers Guild Award
Michael O'Neill, founder of the Informed Medical Options Party, a minor political party in Australia
Mikey O'Neill (footballer) (born 2004), English footballer

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