Michael O'Neill
ActingAlso Known As
مایکل اونیل
Biography
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.
Movies
(42 total)
Transformers
as Tom Banacheck
Dallas Buyers Club
as Richard Barkley
J. Edgar
as Senator McKellar
Traffic
as Lawyer Rodman
Green Zone
as Colonel Bethel
Air
as Joe Dean
Dreamcatcher
as Gen. Matheson
The Legend of Bagger Vance
as O.B. Keeler
War of the Worlds
as Secretary of Defense Walter Crystal
Seabiscuit
as Mr. Pollard
Secondhand Lions
as Ralph
Sea of Love
as Raymond Brown
Lorenzo's Oil
as School Psychologist
Nothing But the Truth
as CIA Director
Jennifer Eight
as Serato
Bride Hard
as Frank
Ghost Story
as Churchill
The Mod Squad
as Greene
Bushwhacked
as Jon Jordan
Clemency
as Chaplain David Kendricks
TV Shows
(58 total)
Grey's Anatomy
as Gary Clark
Prison Break
as Herb Stanton
The Mentalist
as Sheriff Nelson
Criminal Minds
as Det. Yarbough
The X-Files
as Patrol Captain Van Gelder
Sons of Anarchy
as Anthony Franklin
Fringe
as Sheriff Velchik
NCIS
as Riley McCallister
Ghost Whisperer
as Nolan
Tom Clancy's Jack Ryan
as Senator Mitchell Chapin
Bates Motel
as Nick Ford
24
as Richard Welsh
24
as Richard Walsh
11.22.63
as Arliss Price
CSI: Miami
as Jerry Blackburn
This Is Us
as Arlo
S.W.A.T.
as Carl Luca
The Resident
as Joshua Williams
NCIS: Los Angeles
as Ret. U.S. Army General Richard Collins
ER
as Col. Ken Kilner