Gareth Williams is an American actor.

KNOWN FOR

The Mentalist
2014
Law & Order
1991
Criminal Minds
2007
Castle
2009
Hawaii Five-0
2014
CSI: Miami
2004
S.W.A.T.
2020
Yellowstone
2024
The Practice
2002
This Is Us
2016
Mad Men
2008
Numb3rs
2006

FILMOGRAPHY

All
Movies
TV
Acting
76
2025
Tracker
as Arthur Poness
2024
Watching Walter
as Hermann Berghof
2024
Monsters: The Lyle and Erik Menendez Story
as Det. Edmonds
2024
Landman
as Arty Roberts
2024
Yellowstone
as Steven Rawlings
2023
The Laughing Woo Woo
as Dale
2021
American Sausage Standoff
as William
2021
Blood Moon
as Barlow Townes
2021
NCIS: New Orleans
as Michael Hollard
2021
The Resident
as Pete Goldense
2020
S.W.A.T.
as Woods
2020
Third Term
as Talkback Host
2019
Made Public
as Mr. Meier
2019
True Detective
as Police Chief Warren
2019
MINDHUNTER
as Chief Redding
2018
Drive Me to Vegas and Mars
as Officer Mike
2018
Love After Love
as Glenn
2016
In Embryo
as Perry Williams
2016
20th Century Women
as Fire Chief
2016
This Is Us
as Melvin Sandburg
2014
You're Not You
as Bruce
2014
The Mentalist
as DEA Supervising Agent Maloney
2014
Perception
as Brian McGrath
2014
Masters of Sex
as Dr. Lyons
2014
Hawaii Five-0
as Alan Pollard
2014
Silk
as Johnny Foster
2013
Trust Me
as Chet
2010
Law & Order: LA
as Jim Bikel
2010
Terriers
as Mickey Gosney
2009
Castle
as Wesley Grovner
2008
Keith
as Henry
2008
Mad Men
as Mr. Wheatley
2007
Criminal Minds
as Tim Harrison
2007
Close to Home
as John Cooke, Sr.
2006
Hollywoodland
as Del
2006
Commander in Chief
2006
Numb3rs
as Baker
2006
In Justice
as Larry
2005
Nobody Wants Your Film
as Self
2005
Judging Amy
as Oswell Bray
2004
CSI: Miami
as Ronald
2004
The Shield
as Walon Burke
2004
Deadwood
as Gem Saloon Patron
2004
Deadwood
as Smallpox Victim
2002
P.O.V. - Point of View
as Rock
2002
13 Moons
as Thad
2002
The Practice
as Patrick Emerson
2001
Macbeth
as Fleance
2001
Hard Luck
as Raymond
2001
Texas Rangers
as Vigilante Vic
2001
Family Law
as Bob Johnson
2001
Boston Public
as Mr. Glynne
2001
The Division
as Eddie
2000
The Cell
as Stargher's Father
2000
Angel
as Mr. Chaulk
1999
Snow Falling on Cedars
as FBI Agent
1999
Full Body Massage
as Harry Willis
1999
Legacy
as Arthur Crenshaw
1998
From the Earth to the Moon
as Jim Irwin
1998
Dawson's Creek
as Mike Potter
1998
Brooklyn South
as Greg Tollins
1997
Executive Target
as Clay Ripple
1997
Volcano
as Pete
1997
No Way Home
as Ken Tierno
1996
Palookaville
as Ed the Cop
1995
Mad About You
as Mikey
1995
Law & Order
as Ted Quinlan
1994
Blessing
as Lyle
1994
Homicide: Life on the Street
as Chris Haskett
1993
Striking Distance
as Chick Chicanis
1993
Me and Veronica
as Bartender
1993
Law & Order
as George Siddell
1992
Malcolm X
as JFK Reporter
1992
Law & Order
as CSU Technician
1991
Law & Order
as Technician
A Dying Art
as Matt Branstad