Michael O'Neill
Biography
Movies 42
War of the Worlds
as Secretary of Defense Walter Crystal
2025
Dallas Buyers Club
as Richard Barkley
2013
Air
as Joe Dean
2023
Traffic
as Lawyer Rodman
2000
Transformers
as Tom Banacheck
2007
Dreamcatcher
as Gen. Matheson
2003
Green Zone
as Colonel Bethel
2010
Seabiscuit
as Mr. Pollard
2003
Bride Hard
as Frank
2025
The Legend of Bagger Vance
as O.B. Keeler
2000
Secondhand Lions
as Ralph
2003
Sea of Love
as Raymond Brown
1989
Jennifer Eight
as Serato
1992
J. Edgar
as Senator McKellar
2011
Nothing but the Truth
as CIA Director
2008
Ghost Story
as Churchill
1981
Lorenzo's Oil
as School Psychologist
1992
ATF
as ATF Asst. Director Ben Walker
1999
The Mod Squad
as Greene
1999
Bushwhacked
as Jon Jordan
1995
The Sunchaser
as Agent Moreland
1996
The Gun in Betty Lou's Handbag
as Jergens
1992
Clemency
as Chaplain David Kendricks
2019
Indivisible
as Chaplain Rogers
2018
Blind Justice
as Spencer Heymen
1994
Danger One
as Beckwith
2018
For Their Own Good
as Clark Thompson
1993
The Stand at Paxton County
as Dell Connelly
2020
Around the Bend
as Cowboy
2004
The Grim Sleeper
as Detective Simms
2014
A Quiet Little Marriage
as Bruce
2008
Crazy
as Ralph Christianson
2008
Victim of Love: The Shannon Mohr Story
as Dick Britton
1993
Virtual Obsession
1998
Dancer, Texas Pop. 81
as Mr. Lusk
1998
Standoff
as Cult Leader (Voice)
1998
An Unremarkable Life
as Michael
1989
Flying Lessons
as Chief Dobbs
2010
Cold Call
as Christian
2021
Beyond Betrayal
as Ray Pasquerello
1994
American Crime
as Sheriff Smyth
2004
Awake to Danger
as Detective Brickman
1995TV Shows 60
Criminal Minds
as Det. Yarbough
2005
The Mentalist
as Sheriff Nelson
2008
Grey's Anatomy
as Gary Clark
2005
NCIS
as Riley McCallister
2003
Prison Break
as Herb Stanton
2005
CSI: Miami
as Jerry Blackburn
2002
The X-Files
as Patrol Captain Van Gelder
1993
S.W.A.T.
as Carl Luca
2017
24
as Richard Walsh
2001
24
as Richard Welsh
2001
NCIS: Los Angeles
as Ret. U.S. Army General Richard Collins
2009
The West Wing
as Ron Butterfield
1999
JAG
as Commander Bradley
1995
Sons of Anarchy
as Anthony Franklin
2008
ER
as Col. Ken Kilner
1994
Fringe
as Sheriff Velchik
2008
Tracker
as Buck Avery
2024
This Is Us
as Arlo
2016
The Resident
as Joshua Williams
2018
Diagnosis: Murder
as Sheriff Buck O'Hara
1993
Boston Legal
as Dr. Robert McLean
2004
Scandal
as Lonnie Mencken
2012
Without a Trace
as Thomas Shannon
2002
Ghost Whisperer
as Nolan
2005
Rizzoli & Isles
as Jonathan McKnight
2010
Numb3rs
as Boyd Keene
2005
Chicago Hope
as Bill Wyzinski
1994
The Practice
as Judge Robert Temple
1997
Fire Country
as Harlan Denbo
2022
Crossing Jordan
as Chris Benz
2001
Tom Clancy's Jack Ryan
as Senator Mitchell Chapin
2018
The Unit
as Ron Cheals
2006
Ally McBeal
as Dr. Colbert
1997
Bates Motel
as Nick Ford
2013
Army Wives
as Reverend Bankerd
2007
Leverage
as Judge Roy
2008
Boston Public
as Dr. Bernard Colbert
2000
Millennium
as County Prosecutor Calvin Smith
1996
Roswell
as Philip Evans
1999
The Glades
as Trent Staley
2010
Rectify
as Senator Roland Foulkes
2013
Shooter
as Ray Brooks
2016
Echoes
as Victor McCleary
2022
Close to Home
as Don Wheeler
2005
Law & Order: LA
as Jeb Monroe
2010
Outer Range
as Judge Pettigrew
2022
FlashForward
as CIA Director Keller
2009
Extant
as Alan Sparks
2014
Happy Face
as D.A. Craig Calloway
2025
Happy's Place
as Jim Jackoway
2024
Manhattan
as Psychiatrist
2014
11.22.63
as Arliss Price
2016
Commander in Chief
as Congressman Wilcox
2005
Messiah
as Cameron Collier
2020
Vegas
as Mayor Ted Bennett
2012
One West Waikiki
1994
The Shining
as Daniel Edwards (uncredited)
1997
LAX
as Alonso Mathews
2004
The Nine
as Pete Burton
2006
The Romanoffs
as Ron Hopkins
2018