Gareth Williams

Gareth Williams

Gareth Williams is an American actor.

Filmography

Law & Order
Law & Order
1990 · TV
as Technician
Law & Order
Law & Order
1990 · TV
as Ted Quinlan
Law & Order
Law & Order
1990 · TV
as George Siddell
Law & Order
Law & Order
1990 · TV
as CSU Technician
The Mentalist
The Mentalist
2008 · TV
as DEA Supervising Agent Maloney
Criminal Minds
Criminal Minds
2005 · TV
as Tim Harrison
S.W.A.T.
S.W.A.T.
2017 · TV
as Woods
Yellowstone
Yellowstone
2018 · TV
as Steven Rawlings
Castle
Castle
2009 · TV
as Wesley Grovner
Hawaii Five-0
Hawaii Five-0
2010 · TV
as Alan Pollard
CSI: Miami
CSI: Miami
2002 · TV
as Ronald
Mad Men
Mad Men
2007 · TV
as Mr. Wheatley
True Detective
True Detective
2014 · TV
as Police Chief Warren
The Resident
The Resident
2018 · TV
as Pete Goldense
Landman
Landman
2024 · TV
as Arty Roberts
Dawson's Creek
Dawson's Creek
1998 · TV
as Mike Potter
This Is Us
This Is Us
2016 · TV
as Melvin Sandburg
The Shield
The Shield
2002 · TV
as Walon Burke
The Practice
The Practice
1997 · TV
as Patrick Emerson
Homicide: Life on the Street
Homicide: Life on the Street
1993 · TV
as Chris Haskett
Judging Amy
Judging Amy
1999 · TV
as Oswell Bray
Angel
Angel
1999 · TV
as Mr. Chaulk
Numb3rs
Numb3rs
2005 · TV
as Baker
NCIS: New Orleans
NCIS: New Orleans
2014 · TV
as Michael Hollard