Movies
TV Shows
Actors
Michael O'Neill
May 29, 1947 (77 years old) in Montgomery, Alabama, USA
Known For
Grey's Anatomy
NCIS
S.W.A.T.
Prison Break
Criminal Minds
Credits
2025 ·
Bride Hard
as
2024 ·
Happy's Place
as Jim Jackoway
2023 ·
Air
as Joe Dean
2022 ·
Fire Country
as Harlan Denbo
2022 ·
Echoes
as Victor McCleary
2022 ·
Outer Range
as Judge Pettigrew
2021 ·
Cold Call
as Christian
2020 ·
The Stand at Paxton County
as Dell Connelly
2020 ·
Messiah
as Cameron Collier
2019 ·
Clemency
as Chaplain David Kendricks
2018 ·
Indivisible
as Chaplain Rogers
2018 ·
The Romanoffs
as Ron Hopkins
2018 ·
Danger One
as Beckwith
2018 ·
Tom Clancy's Jack Ryan
as Senator Mitchell Chapin
2018 ·
The Resident
as Joshua Williams
2017 ·
S.W.A.T.
as Carl Luca
2016 ·
Shooter
as Ray Brooks
2016 ·
This Is Us
as Arlo
2016 ·
11.22.63
as Arliss Price
2014 ·
Manhattan
as Psychiatrist
2014 ·
Extant
as Alan Sparks
2014 ·
The Grim Sleeper
as Detective Simms
2013 ·
Dallas Buyers Club
as Richard Barkley
2013 ·
Rectify
as Senator Roland Foulkes
2013 ·
Bates Motel
as Nick Ford
2012 ·
Scandal
as Lonnie Mencken
2011 ·
J. Edgar
as Senator McKellar
2010 ·
Law & Order: LA
as Jeb Monroe
2010 ·
Rizzoli & Isles
as Jonathan McKnight
2010 ·
The Glades
as Trent Staley
2010 ·
Green Zone
as Colonel Bethel
2009 ·
FlashForward
as CIA Director Keller
2009 ·
NCIS: Los Angeles
as Ret. U.S. Army General Richard Collins
2008 ·
Nothing But the Truth
as CIA Director
2008 ·
Leverage
as Judge Roy
2008 ·
A Quiet Little Marriage
as Bruce
2008 ·
The Mentalist
as Sheriff Nelson
2008 ·
Fringe
as Sheriff Velchik
2008 ·
Sons of Anarchy
as Anthony Franklin
2008 ·
Crazy
as Ralph Christianson
2007 ·
Transformers
as Tom Banacheck
2006 ·
The Nine
as Pete Burton
2006 ·
The Unit
as Ron Cheals
2005 ·
Commander in Chief
as Congressman Wilcox
2005 ·
Ghost Whisperer
as Nolan
2005 ·
Criminal Minds
as Det. Yarbough
2005 ·
Prison Break
as Herb Stanton
2005 ·
Grey's Anatomy
as Gary Clark
2004 ·
Around the Bend
as Cowboy
2004 ·
LAX
as Alonso Mathews
2004 ·
American Crime
as Sheriff Smyth
2003 ·
NCIS
as Riley McCallister
2003 ·
Secondhand Lions
as Ralph
2003 ·
Seabiscuit
as Mr. Pollard
2003 ·
Dreamcatcher
as General Matheson
2002 ·
Without a Trace
as Thomas Shannon
2001 ·
24
as Richard Walsh
2001 ·
24
as Richard Welsh
2001 ·
Crossing Jordan
as Chris Benz
2000 ·
Traffic
as Lawyer Rodman
2000 ·
The Legend of Bagger Vance
as O.B. Keeler
2000 ·
Boston Public
as Dr. Bernard Colbert
1999 ·
Roswell
as Philip Evans
1999 ·
The West Wing
as Ron Butterfield
1999 ·
ATF
as ATF Asst. Director Ben Walker
1999 ·
The Mod Squad
as Greene
1998 ·
Dancer, Texas Pop. 81
as Mr. Lusk
1998 ·
Virtual Obsession
as
1997 ·
Ally McBeal
as Dr. Colbert
1997 ·
The Shining
as Daniel Edwards (uncredited)
1996 ·
Millennium
as County Prosecutor Calvin Smith
1996 ·
The Sunchaser
as Agent Moreland
1995 ·
JAG
as Commander Bradley
1995 ·
Bushwhacked
as Jon Jordan
1995 ·
Awake to Danger
as Detective Brickman
1994 ·
Beyond Betrayal
as Ray Pasquerello
1994 ·
ER
as Col. Ken Kilner
1994 ·
Chicago Hope
as
1994 ·
One West Waikiki
as
1994 ·
Blind Justice
as Spencer Heymen
1993 ·
Victim of Love: The Shannon Mohr Story
as Dick Britton
1993 ·
Diagnosis: Murder
as Sheriff Buck O'Hara
1993 ·
The X-Files
as Patrol Captain Van Gelder
1993 ·
For Their Own Good
as Clark Thompson
1992 ·
Lorenzo's Oil
as School Psychologist
1992 ·
Jennifer Eight
as Serato
1992 ·
The Gun in Betty Lou's Handbag
as Jergens
1989 ·
An Unremarkable Life
as Michael
1989 ·
Sea of Love
as Raymond Brown
1981 ·
Ghost Story
as Churchill
2025 ·
War of the Worlds
as
