Michael O'Neill
Michael O'Neill is an actor, born 1947.
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…
Movies (26)
- War of the Worlds (2025)
- Dallas Buyers Club (2013)
- Transformers (2007)
- Air (2023)
- Traffic (2000)
- Dreamcatcher (2003)
- Bride Hard (2025)
- Sea of Love (1989)
- Green Zone (2010)
- Secondhand Lions (2003)
- Seabiscuit (2003)
- The Legend of Bagger Vance (2000)
- Lorenzo's Oil (1992)
- Nothing But the Truth (2008)
- The Sunchaser (1996)
- Bushwhacked (1995)
- Ghost Story (1981)
- Jennifer Eight (1992)
- Around the Bend (2004)
- Blind Justice (1994)
- ATF (1999)
- Clemency (2019)
- Danger One (2018)
- The Gun in Betty Lou's Handbag (1992)
- Indivisible (2018)
- The Mod Squad (1999)