Michael O'Neill (actor)

Michael O'Neill
Occupation(s)	Film, television actor

Michael O'Neill 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.

O'Neill graduated from Auburn University in 1974.

Filmography

• Ghost Story (1981) .... Churchill
• Sea of Love (1989) .... Raymond Brown
• H.E.L.P. (1 episode, "Are You There, Alpha Centauri?", 1990) .... Cabot
• The Gun in Betty Lou's Handbag (1992) .... Jergens
• Jennifer Eight (1992) .... Angelo Serato
• L.A. Law (1 episode, "My Friend Flicker", 1992) ....
• Lorenzo's Oil (1992) .... School Psychologist
• For Their Own Good (1993) (TV) .... Clark Thompson
• Victim of Love: The Shannon Mohr Story (1993) (TV) .... Dick Britton
• Blind Justice (1994) (TV) .... Spencer Heyman
• Picket Fences (1 episode, "System Down", 1994) .... Juror
• Beyond Betrayal (1994) (TV) .... Ray Pasquerello
• On Trial (1994) (TV) .... Himself
• Awake to Danger (1995) (TV) .... Detective Brickman
• Days of our Lives (2 episodes, 1995) .... Father Jansen
• Bushwhacked (1995) .... Jon Jordan
• One West Waikiki (1 episode, "Manpower", 1995) ....
• Norma Jean & Marilyn (1996) (TV) .... Mr. Kimmel
• The Sunchaser (1996) .... Agent Moreland
• The Cape (1 episode, "The Need to Know", 1996) .... Keith Mason
• The Pretender (1 episode, "The Better Part of Valor", 1997) .... Captain Harrigan
• Millenium (1 episode, "Covenant", 1997) .... County Prosecutor Calvin Smith
• Orleans (1 episode, "Luther's Temptation", 1997) ....
• The Shining (Episode 2, 1997) TV mini-series .... Dr. Daniel Edwards
• Standoff (1998) .... Cult Leader (voice)
• Host (1998) (TV) ....
• Dancer, Texas Pop. 81 (1998) .... Mr. Lusk
• The X-Files (1 episode, "Drive", 1998) .... The Patrol Captain
• The Mod Squad (1999) .... Det. Carl Greene
• A.T.F. (1999) (TV) .... A.T.F. Assistant Director Ben Walker
• Roswell (1 episode, "The Morning After", 1999) .... Phillip Evans
• JAG (2 episodes, "Shakedown" and "Fair Winds and Following Seas", 1999-2005) .... Cmdr. Bradley / Maj. Gen. Harold Rossing
• The West Wing (16 episodes, 1999-2006) .... Secret Service Agent Ron Butterfield
• Chicago Hope (1 episode, "Everybody's Special at Chicago Hope", 2000) .... Bill Wyzinski
• The Legend of Bagger Vance (2000) .... O.B. Keeler
• Traffic (2000) .... Lawyer Rodman
• NYPD Blue (1 episode, "Peeping Tommy", 2001) .... Capt. Chuck Dowling
• Diagnosis Murder (1 episode, "No Good Deed", 2001) .... Sheriff Buck O'Hara
• 24 (2 episodes, "12:00 a.m.-1:00 a.m." and "1:00 a.m.-2:00 a.m.", 2001) .... Richard Walsh
• Boston Public (4 episodes, "Chapter Twenty-Four", "Chapter Twenty-Seven", "Chapter Twenty-Eight" and "Chapter Thirty-One", 2001-2002) .... Dr. Bernard Colbert
• The Board Room (2002) .... Walters
• Ally McBeal (1 episode, "All of Me", 2002) .... Dr. Colbert
• Without a Trace (1 episode, "Silent Partner", 2002) .... Thomas Shannon
• Presidio Med (1 episode, "Breathless", 2003) ....
• Dreamcatcher (2003) .... Gen. Matheson
• Seabiscuit (2003) .... Mr. Pollard
• Secondhand Lions (2003) .... Ralph
• Carnivàle (1 episode, "Tipton", 2003) .... Sheriff Lyle Donovan
• The Practice (1 episode, "Police State", 2004) .... Judge Robert Temple
• American Crime (2004) (V) .... Sheriff Smyth
• Judging Amy (1 episode, "My Little Runaway", 2004) .... D.A. Dave Sherman
• Crossing Jordan (1 episode, "Out of Sight", 2004) .... Chris Benz
• Around the Bend (2004) .... Cowboy
• LAX (1 episode, "Unscheduled Arrivals", 2004) .... Alonso Mathews
• Boston Legal (1 episode, "It Girls and Beyond", 2005) .... Dr. Robert McLean
• Cold Case (1 episode, "Revolution", 2005) .... Warren Cousins 2005
• ER (1 episode, "Here and There", 2005) .... Col. Ken Kilner
• Commander in Chief (2 episodes, "First Strike" and "First Scandal", 2005) .... Congressman Wilcox
• Close to Home (1 episode, "The Rapist Next Door", 2006) .... Don Wheeler
• 3 lbs (1 episode, "Lost for Words", 2006) .... James Wills
• Lincoln Heights (1 episode, "Suspicion", 2007) .... Captain
• The Unit (6 episodes, "First Responders", "Dedication", "SERE", "Exposure", "Off the Meter" and "Paradise Lost", 2006-2007) .... Ron Cheals
• Transformers (2007) .... Tom Banacheck
• The Nine (3 episodes, "Pilot", "Heroes Welcome" and "The Inside Man", 2006-2007) .... Pete Burton
• K-Ville (1 episode, "Critical Mass", 2007) .... Father Dennehy
• Criminal Minds (1 episode, "About Face", 2007) .... Det. Yarbough
• Crazy (2007) .... Ralph Christianson
• Women's Murder Club (1 episode, "Never Tell", 2008) .... FBI Agent Ted Thorne
• A Quiet Little Marriage (2008) .... Bruce
• The Mentalist (1 episode, "Redwood", 2008) .... Sheriff Nelson
• Prison Break (2 episodes, "Shut Down" and "Selfless", 2008) .... Herb Stanton

External links

• Michael O'Neill at IMDb
• "The Life of Hollywood", Interview with Michael O'Neill, Mary McNamara, LA Times, 11-28-2004

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