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Michael O'Neill
Born · May 29, 1947 (77 years old)
Known For: Acting
Place of Birth: Montgomery, Alabama, USA
Bio
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.
Happy's Place
Jim Jackoway · (2 episodes)
6.0
2024
Bride Hard
0.0
2024
Air
Joe Dean
7.3
2023
Fire Country
Harlan Denbo · (1 episode)
8.5
2022
Echoes
Victor McCleary · (7 episodes)
6.7
2022
Outer Range
Judge Pettigrew · (2 episodes)
6.9
2022
Cold Call
Christian
0.0
2021
The Stand at Paxton County
Dell Connelly
5.8
2020
Messiah
Cameron Collier · (5 episodes)
7.2
2020
Clemency
Chaplain David Kendricks
6.3
2019
Indivisible
Chaplain Rogers
6.9
2018
The Romanoffs
Ron Hopkins · (1 episode)
6.5
2018
Danger One
Beckwith
6.0
2018
Tom Clancy's Jack Ryan
Senator Mitchell Chapin · (5 episodes)
7.7
2018
The Resident
Joshua Williams · (1 episode)
8.4
2018
S.W.A.T.
Carl Luca · (3 episodes)
8.1
2017
Shooter
Ray Brooks · (3 episodes)
7.2
2016
This Is Us
Arlo · (1 episode)
8.2
2016
11.22.63
Arliss Price · (1 episode)
7.8
2016
Manhattan
Psychiatrist · (1 episode)
7.1
2014
Extant
Alan Sparks · (13 episodes)
6.3
2014
The Grim Sleeper
Detective Simms
4.9
2014
Dallas Buyers Club
Richard Barkley
7.9
2013
Rectify
Senator Roland Foulkes · (15 episodes)
7.5
2013
Bates Motel
Nick Ford · (8 episodes)
8.1
2013
Scandal
Lonnie Mencken · (5 episodes)
7.2
2012
J. Edgar
Senator McKellar
6.2
2011
Law & Order: LA
Jeb Monroe · (1 episode)
6.8
2010
Rizzoli & Isles
Jonathan McKnight · (1 episode)
7.9
2010
The Glades
Trent Staley · (1 episode)
7.1
2010
Green Zone
Colonel Bethel
6.5
2010
FlashForward
CIA Director Keller · (1 episode)
7.0
2009
NCIS: Los Angeles
Ret. U.S. Army General Richard Collins · (1 episode)
7.5
2009
Nothing But the Truth
CIA Director
6.9
2008
Leverage
Judge Roy · (1 episode)
7.6
2008
A Quiet Little Marriage
Bruce
4.5
2008
The Mentalist
Sheriff Nelson · (1 episode)
8.4
2008
Fringe
Sheriff Velchik · (1 episode)
8.1
2008
Sons of Anarchy
Anthony Franklin · (1 episode)
8.4
2008
Crazy
Ralph Christianson
5.5
2008
Transformers
Tom Banacheck
6.8
2007
The Nine
Pete Burton · (3 episodes)
5.8
2006
The Unit
Ron Cheals · (1 episode)
7.3
2006
Commander in Chief
Congressman Wilcox · (2 episodes)
7.6
2005
Ghost Whisperer
Nolan · (1 episode)
8.1
2005
Criminal Minds
Det. Yarbough · (1 episode)
8.3
2005
Prison Break
Herb Stanton · (1 episode)
8.1
2005
Grey's Anatomy
Gary Clark · (4 episodes)
8.2
2005
Around the Bend
Cowboy
5.9
2004
LAX
Alonso Mathews · (1 episode)
7.4
2004
American Crime
Sheriff Smyth
4.1
2004
NCIS
Riley McCallister · (3 episodes)
7.6
2003
Secondhand Lions
Ralph
7.2
2003
Seabiscuit
Mr. Pollard
7.1
2003
Dreamcatcher
General Matheson
5.6
2003
Without a Trace
Thomas Shannon · (1 episode)
7.3
2002
24
Richard Walsh · (1 episode)
7.8
2001
24
Richard Welsh · (1 episode)
7.8
2001
Crossing Jordan
Chris Benz · (1 episode)
7.2
2001
Traffic
Lawyer Rodman
7.1
2000
The Legend of Bagger Vance
O.B. Keeler
6.6
2000
Boston Public
Dr. Bernard Colbert · (4 episodes)
7.7
2000
Roswell
Philip Evans · (1 episode)
7.7
1999
The West Wing
Ron Butterfield · (16 episodes)
8.3
1999
The Mod Squad
Greene
4.3
1999
Dancer, Texas Pop. 81
Mr. Lusk
6.8
1998
The Shining
Daniel Edwards (uncredited) · (1 episode)
6.3
1997
Millennium
County Prosecutor Calvin Smith · (1 episode)
7.7
1996
JAG
Commander Bradley · (1 episode)
7.3
1995
ER
Col. Ken Kilner · (1 episode)
7.8
1994
One West Waikiki
(1 episode)
7.0
1994
Blind Justice
Spencer Heymen
5.1
1994
Diagnosis: Murder
Sheriff Buck O'Hara · (1 episode)
7.1
1993
The Gun in Betty Lou's Handbag
Jergens
5.1
1992
War of the Worlds
0.0
ATF
Asst. A.T.F. Director Ben Walker
4.7
1999
Virtual Obsession
4.8
1998
The Sunchaser
Agent Moreland
6.2
1996
Bushwhacked
Jon Jordan
5.3
1995
Awake to Danger
Detective Brickman
4.0
1995
Beyond Betrayal
Ray Pasquerello
4.5
1994
Chicago Hope
(1 episode)
7.2
1994
Victim of Love: The Shannon Mohr Story
Dick Britton
6.3
1993
The X-Files
Patrol Captain Van Gelder · (1 episode)
8.4
1993
For Their Own Good
Clark Thompson
7.2
1993
Lorenzo's Oil
School Psychologist
7.1
1992
Jennifer Eight
Serato
6.0
1992
An Unremarkable Life
Michael
0.0
1989
Sea of Love
Raymond Brown
6.6
1989
Ghost Story
Churchill
6.0
1981