Acting · geboren 1951-05-29 · Montgomery, Alabama, USA

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.

Bekannt aus

• Transformers (2007) – Tom Banacheck
• Grey's Anatomy (2005) – Gary Clark
• Dallas Buyers Club (2013) – Richard Barkley
• Prison Break (2005) – Herb Stanton
• The Mentalist (2008) – Sheriff Nelson
• Criminal Minds (2005) – Det. Yarbough
• Akte X - Die unheimlichen Fälle des FBI (1993) – Patrol Captain Van Gelder
• Sons of Anarchy (2008) – Anthony Franklin
• Fringe - Grenzfälle des FBI (2008) – Sheriff Velchik
• J. Edgar (2011) – Senator McKellar
• Navy CIS (2003) – Riley McCallister
• Traffic - Macht des Kartells (2000) – Lawyer Rodman
• Air - Der grosse Wurf (2023) – Joe Dean
• Green Zone (2010) – Colonel Bethel
• Dreamcatcher (2003) – Gen. Matheson
• Tom Clancy's Jack Ryan (2018) – Senator Mitchell Chapin
• Ghost Whisperer - Stimmen aus dem Jenseits (2005) – Nolan
• 24 (2001) – Richard Walsh
• 11.22.63 - Der Anschlag (2016) – Arliss Price
• Bates Motel (2013) – Nick Ford
• CSI: Miami (2002) – Jerry Blackburn
• This Is Us - Das ist Leben (2016) – Arlo
• S.W.A.T. (2017) – Carl Luca
• Atlanta Medical (2018) – Joshua Williams
• NCIS: Los Angeles (2009) – Ret. U.S. Army General Richard Collins
• Krieg der Welten (2025) – Secretary of Defense Walter Crystal
• Die Legende von Bagger Vance (2000) – O.B. Keeler
• Emergency Room – Die Notaufnahme (1994) – Col. Ken Kilner
• Seabiscuit - Mit dem Willen zum Erfolg (2003) – Mr. Pollard
• Löwen aus zweiter Hand (2003) – Ralph
• Shooter (2016) – Ray Brooks
• Sea of Love - Melodie des Todes (1989) – Raymond Brown
• The West Wing (1999) – Ron Butterfield
• Scandal (2012) – Lonnie Mencken
• Lorenzos Öl (1992) – School Psychologist
• Nichts als die Wahrheit (2008) – CIA Director
• FlashForward (2009) – CIA Director Keller
• Roswell (1999) – Philip Evans
• Rizzoli & Isles (2010) – Jonathan McKnight
• Numb3rs - Die Logik des Verbrechens (2005) – Boyd Keene