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Michael O'Neill

Michael O'Neill

Acting 1947-05-29 Montgomery, Alabama, USA

​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-dr…

Known For

War of the Worlds
MOV ⭐ 4.1
War of the Worlds 2025
Air
MOV ⭐ 7.3
Air 2023
Traffic
MOV ⭐ 7.1
Traffic 2000
Dallas Buyers Club
MOV ⭐ 7.9
Dallas Buyers Club 2013
Green Zone
MOV ⭐ 6.5
Green Zone 2010
Transformers
MOV ⭐ 6.8
Transformers 2007
Dreamcatcher
MOV ⭐ 5.6
Dreamcatcher 2003
Bride Hard
MOV ⭐ 5.6
Bride Hard 2025
The Legend of Bagger Vance
MOV ⭐ 6.6
The Legend of Bagger Vance 2000
Nothing but the Truth
MOV ⭐ 6.9
Nothing but the Truth 2008
Bushwhacked
MOV ⭐ 5.4
Bushwhacked 1995
Around the Bend
MOV ⭐ 5.9
Around the Bend 2004
The Gun in Betty Lou's Handbag
MOV ⭐ 5.1
The Gun in Betty Lou's Handbag 1992
Blind Justice
MOV ⭐ 5.2
Blind Justice 1994
For Their Own Good
MOV ⭐ 6.3
For Their Own Good 1993
Dancer, Texas Pop. 81
MOV ⭐ 7.0
Dancer, Texas Pop. 81 1998
A Quiet Little Marriage
MOV ⭐ 5.1
A Quiet Little Marriage 2008
An Unremarkable Life
MOV ⭐ 10.0
An Unremarkable Life 1989
Virtual Obsession
MOV ⭐ 4.1
Virtual Obsession 1998
The Grim Sleeper
MOV ⭐ 4.9
The Grim Sleeper 2014