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Michael O'Neill
Actor
Born May 29, 1947 (75 years)
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.
Filmography
| 2022 | Echoes (TV Series) · as Victor McCleary |
| 2020 | Messiah (2020) (TV Series) · as Cameron Collier |
| 2020 | Council of Dads (TV Series) · as Larry Mills |
| 2020 | The Stand at Paxton County · as Dell Connelly |
| 2019 | Clemency · as Chaplain David Kendricks |
| 2018 | Indivisible · as Chaplain Rogers |
| 2018 | Danger One · as Beckwith |
| 2018 | The Resident (TV Series) · as Joshua Williams |
| 2018 | Tom Clancy's Jack Ryan (TV Series) · as Senator Mitchell Chapin |
| 2018 | The Romanoffs (TV Series) · as Ron Hopkins |
| 2017 | S.W.A.T. (2017) (TV Series) · as Carl |
| 2016 | Shooter (TV Series) · as Ray Brooks |
| 2016 | This Is Us (TV Series) · as Arlo |
| 2016 | 11.22.63 (TV Series) · as Arliss Price |
| 2015 | Battle Creek (TV Series) · as Councilman Pritchett |
| 2014 | The Grim Sleeper · as Detective Simms |
| 2014 | Extant (TV Series) · as Alan Sparks |
| 2014 | Manhattan (TV Series) · as Psychiatrist |
| 2013 | Dallas Buyers Club · as Richard Barkley |
| 2013 | Rectify (TV Series) · as Senator Roland Foulkes |
| 2013 | Bates Motel (TV Series) · as Nick Ford |
| 2012 | Scandal (2012) (TV Series) · as Lonnie Mencken |
| 2012 | Vegas (TV Series) · as Mayor Ted Bennett |
| 2011 | Prime Suspect (US) (TV Series) · as Commander Wells |
| 2011 | Necessary Roughness (TV Series) · as Hank Griffin |
| 2011 | J. Edgar · as Senator McKellar |
| 2010 | Green Zone · as Colonel Bethel |
| 2010 | Flying Lessons · as Chief Dobbs |
| 2010 | Rizzoli & Isles (TV Series) · as Jonathan McKnight |
| 2010 | Miami Medical (TV Series) · as Dr. Bruce Kaye |
| 2010 | Law & Order: LA (TV Series) · as Jeb Monroe |
| 2010 | The Glades (TV Series) · as Trent Staley |
| 2009 | NCIS: Los Angeles (TV Series) · as Ret. U.S. Army General Richard Collins |
| 2009 | FlashForward (TV Series) · as CIA Director Keller |
| 2009 | Grey's Anatomy: The Webisodes (TV Series) · as Gary Clark |
| 2008 | Nothing But the Truth · as CIA Director |
| 2008 | Crazy · as Ralph Christianson |
| 2008 | A Quiet Little Marriage · as Bruce |
| 2008 | Leverage (TV Series) · as Judge Roy |
| 2008 | Fringe (TV Series) · as Sheriff Velchik |
| 2008 | My Own Worst Enemy (TV Series) · as Alexander DeSantos |
| 2008 | The Mentalist (TV Series) · as Sheriff Nelson |
| 2008 | Sons of Anarchy (TV Series) · as Anthony Franklin |
| 2007 | Transformers · as Tom Banacheck |
| 2007 | Women's Murder Club (TV Series) · as FBI Agent Ted Thorne |
| 2007 | K-Ville (TV Series) · as Father Dennehy |
| 2007 | Army Wives (TV Series) · as Reverend Bankerd |
| 2006 | The Nine (TV Series) · as Pete Burton |
| 2006 | Lincoln Heights (TV Series) · as Captain |
| 2006 | The Unit (TV Series) · as Ron Cheals |
| 2006 | 3 Lbs. (TV Series) · as James Wills |
| 2005 | Commander In Chief (TV Series) · as Congressman Wilcox |
| 2005 | Criminal Minds (TV Series) · as Det. Yarbough |
| 2005 | Numb3rs (TV Series) · as Boyd Keene |
| 2005 | Grey's Anatomy (TV Series) · as Gary Clark |
| 2005 | Ghost Whisperer (TV Series) · as Nolan |
| 2005 | Close to Home (TV Series) · as Don Wheeler |
| 2005 | Prison Break (TV Series) · as Herb Stanton |
| 2004 | American Crime · as Sheriff Smyth |
| 2004 | Plainsong · as Doctor |
| 2004 | Boston Legal (TV Series) · as Dr. Robert McLean |
| 2004 | Around the Bend · as Cowboy |
| 2003 | Seabiscuit · as Mr. Pollard |
| 2003 | Dreamcatcher · as General Matheson |
| 2003 | Secondhand Lions · as Ralph |
| 2003 | Carnivàle (TV Series) · as Sheriff Lyle Donovan |
| 2003 | NCIS (TV Series) · as Former NCIS Special Agent Riley McCallister |
| 2003 | Cold Case (TV Series) · as Warren Cousins |
| 2002 | Presidio Med (TV Series) · as actor |
| 2002 | CSI: Miami (TV Series) · as Jerry Blackburn |
| 2002 | Without a Trace (TV Series) · as Thomas Shannon |
| 2001 | 24 (TV Series) · as Richard Welsh |
| 2001 | Crossing Jordan (TV Series) · as Chris Benz |
| 2000 | Traffic · as Lawyer Rodman |
| 2000 | Boston Public (TV Series) · as Dr. Bernard Colbert |
| 2000 | The Legend of Bagger Vance · as O.B. Keeler |
| 1999 | The Mod Squad · as Greene |
| 1999 | The West Wing (TV Series) · as Ron Butterfield |
| 1999 | Roswell (TV Series) · as Philip Evans |
| 1999 | Judging Amy (TV Series) · as D.A. Dave Sherman |
| 1998 | Dancer, Texas Pop. 81 · as Mr. Lusk |
| 1998 | Standoff · as Cult Leader |
| 1998 | Host · as Unknown |
| 1998 | Mercy Point (TV Series) · as actor |
| 1997 | Ally McBeal (TV Series) · as Dr. Colbert |
| 1997 | The Practice (TV Series) · as Judge Robert Temple |
| 1996 | The Sunchaser · as Agent Moreland |
| 1996 | Norma Jean & Marilyn · as Mr. Kimmel |
| 1996 | Millennium (TV Series) · as County Prosecutor Calvin Smith |
| 1996 | Promised Land (TV Series) · as Ranger Dan McKean |
| 1996 | The Pretender (TV Series) · as Captain Harrigan |
| 1995 | Bushwhacked · as Jon Jordan |
| 1995 | Awake to Danger · as Detective Brickman |
| 1995 | JAG (TV Series) · as Commander Bradley |
| 1994 | Blind Justice · as Spencer Heyman |
| 1994 | ER (TV Series) · as Col. Ken Kilner |
| 1994 | Chicago Hope (TV Series) · as Unknown |
| 1993 | For Their Own Good · as Clark Thompson |
| 1993 | Victim of Love: The Shannon Mohr Story · as Dick Britton |
| 1993 | NYPD Blue (TV Series) · as Capt. Chuck Dowling |
| 1993 | The X-Files (TV Series) · as Patrol Captain Van Gelder |
| 1993 | Diagnosis Murder (TV Series) · as Sheriff Buck O'Hara |
| 1992 | Lorenzo's Oil · as School Psychologist |
| 1992 | Jennifer 8 · as Serato |
| 1992 | The Gun in Betty Lou's Handbag · as Jergens |
| 1992 | Picket Fences (TV Series) · as Juror |
| 1990 | H.E.L.P. (TV Series) · as Cabot |
| 1989 | Sea of Love · as Raymond Brown |
| 1989 | An Unremarkable Life · as Michael |
| 1986 | L.A. Law (TV Series) · as Robert Moran |
| 1981 | Ghost Story · as Churchill |
| 1976 | Quincy, M.E. (TV Series) · as First Mate |
| 1965 | Days of Our Lives (TV Series) · as Father Jansen |