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Michael O'Neill

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Known For

Credits

Cast Credits

Fire Country (2022)
Guest starring as Harlan Denbo
Echoes (2022)
Starring as Victor McCleary (5 episodes)
  • Episode 1x06: Fire (Aug 19, 2022)
  • Episode 1x04: Body (Aug 19, 2022)
  • Episode 1x03: Party (Aug 19, 2022)
  • View 2 more
Council of Dads (2020)
Starring as Larry Mills (10 episodes)
Messiah (2020)
Guest starring as Cameron Collier (5 episodes)
Tom Clancy's Jack Ryan (2018)
Guest starring as Senator Mitchell Chapin (5 episodes)
The Resident (2018)
Guest starring as Joshua Williams
S.W.A.T. (2017)
Guest starring as Carl Luca (3 episodes)
Shooter (2016)
Guest starring as Ray Brooks (3 episodes)
This Is Us (2016)
Guest starring as Arlo
11.22.63 (2016)
Guest starring as Arliss Price
Battle Creek (2015)
Guest starring as Councilman Pritchett
Manhattan (2014)
Guest starring as Psychiatrist
Extant (2014)
Starring as Alvin Sparks (6 episodes)
Rectify (2013)
Guest starring as Senator Roland Foulkes
Bates Motel (2013)
Guest starring as Nick Ford (8 episodes)
Vegas (2012)
Guest starring as Mayor Ted Bennett (4 episodes)
Scandal (2012)
Guest starring as Lonnie Mencken (5 episodes)
Prime Suspect (2011)
Guest starring as Commander Wells
  • Episode 1x06: Shame (Nov 3, 2011)
Necessary Roughness (2011)
Guest starring as Hank Griffin (4 episodes)
Law & Order: LA (2010)
Guest starring as Trudy's Attorney
Rizzoli & Isles (2010)
Guest starring as Jonathan McKnight
The Glades (2010)
Guest starring as Trent Staley
FlashForward (2009)
Guest starring as CIA Director Keller
NCIS: Los Angeles (2009)
Leverage (2008)
Guest starring as Judge Roy
The Mentalist (2008)
Guest starring as Sheriff Nelson
  • Episode 1x05: Redwood (Oct 28, 2008)
Fringe (2008)
Guest starring as Sheriff Paul Velchik
Sons of Anarchy (2008)
Guest starring as Anthony Franklin
  • Episode 2x09: Fa Guan (Nov 3, 2009)
Women's Murder Club (2007)
Guest starring as FBI Agent Ted Thorne
3 lbs. (2006)
Guest starring as James Wills
The Nine (2006)
Guest starring as Pete Burton (3 episodes)
The Unit (2006)
Guest starring as Ron Cheals (6 episodes)
Ghost Whisperer (2005)
Guest starring as Nolan
Criminal Minds (2005)
Guest starring as Detective Yarbough
Close to Home (2005)
Guest starring as Don Wheeler
Prison Break (2005)
Guest starring as Herb Stanton (3 episodes)
Grey's Anatomy (2005)
Guest starring as Gary Clark (4 episodes)
Numb3rs (2005)
Guest starring as Boyd Keene
  • Episode 6x11: Scratch (Jan 8, 2010)
Boston Legal (2004)
Guest starring as Dr. Robert McLean
NCIS (2003)
Guest starring as Former NCIS Special Agent Riley McCallister (3 episodes)
Carnivàle (2003)
Guest starring as Sheriff Lyle Donovan
  • Episode 1x03: Tipton (Sep 28, 2003)
Without a Trace (2002)
Guest starring as Thomas Shannon
CSI: Miami (2002)
Guest starring as Jerry Blackburn
24 (2001)
Guest starring as Richard Walsh (2 episodes)
Crossing Jordan (2001)
Guest starring as Chris Benz
Roswell (1999)
Guest starring as Phillip Evans
The West Wing (1999)
Guest starring as Secret Service Agent Ron Butterfield (15 episodes)
Judging Amy (1999)
Guest starring as D.A. Dave Sherman
Ally McBeal (1997)
Guest starring as Dr. Colbert
The Practice (1997)
Guest starring as Judge Robert Temple
Millennium (1996)
Guest starring as County Prosecutor Calvin Smith
The Pretender (1996)
Guest starring as Captain Harrigan
JAG (1995)
Guest starring as Major General Harold Rossing
The X-Files (1993)
Guest starring as Patrol Captain
  • Episode 6x02: Drive (Nov 15, 1998)
L.A. Law (1986)
Guest starring as Robert Moran
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