Michael O'Neill

Michael O'Neill
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.
Acted Movies
Director: Jean-Marc Vallée
Writers: Melisa Wallack,
Cast: Dallas Roberts, Denis O'Hare, Donna DuPlantier, Griffin Dunne, Jared Leto, Jennifer Garner, Kevin Rankin, Matthew McConaughey, Michael O'Neill, Steve Zahn,
Director: Paul Greengrass
Writers: Rajiv Chandrasekaran,
Cast: Amy Ryan, Brendan Gleeson, Greg Kinnear, Igal Naor, Jason Isaacs, Khalid Abdalla, Matt Damon, Michael O'Neill, Raad Rawi, Said Faraj,
Director: Bruce Robinson
Writers: Bruce Robinson,
Cast: Andy García, Graham Beckel, John Malkovich, Kathy Baker, Kevin Conway, Lance Henriksen, Michael O'Neill, Nicholas Love, Perry Lang, Uma Thurman,