Cast & creator
William Duffy
Best known for The Mentalist, Law & Order, Criminal Minds
William Duffy is an actor.
Movies
12
film credits
Series
16
television credits
Career
27
1965–2020 · acting roles
Credit score
6.8
average across scored titles
Signature credits
Known for
Across film & television
Filmography (28)
Showing 28 of 28 credits
Series
★ 8.4
The Mentalist
TSA Agent #2
2008
Series
★ 7.3
Law & Order
CSU Technician
1990
Series
★ 8.3
Criminal Minds
Dr. Larson
2005
Series
★ 7.6
NCIS
Harris Cobb
2003
Series
★ 8.3
The West Wing
Staffer
1999
Series
★ 7.3
Beverly Hills, 90210
Doorman
1990
Series
★ 8.3
It's Always Sunny in Philadelphia
Hedge Fund Guy
2005
Series
★ 7.4
Heroes
ER Doctor
2006
Series
★ 7.2
Scandal
Ralph Greenwald
2012
Series
★ 7.9
Bosch
Vault Attendant
2015
Series
★ 7.7
The O.C.
(voice)
2003
Series
★ 7.5
Parenthood
Mr. Carlson
2010
Series
★ 7.1
The Division
Commander Jackson
2001
Series
★ 5.2
American Dreams
Father Gregory
2002
Series
★ 7.6
Hearts Afire
Doctor
1992
Movie
★ 6.8
Blast from the Past
Workman #1
1999
Series
★ 7.1
Carpoolers
2007
Movie
★ 5.5
Sniper 3
Richard Addis
2004
Movie
★ 6.0
The Two Jakes
Desk Sergeant
1990
Movie
★ 6.6
Waist Deep
Newscaster #2
2006
Movie
★ 5.1
Double Tap
Gas Man
1997
Movie
★ 5.4
Karla
Detective Porter
2006
Movie
★ 5.9
Death Game
Executive Producer
1977
Movie
★ 7.9
A West Wing Special to Benefit When We All Vote
Larry
2020
Movie
★ 6.5
Betrayed by Love
Paxton
1994
Movie
★ 6.1
Brainstorm
Orderly (uncredited)
1965
Movie
★ 6.0
Loving
Jay
1970
Movie
★ 3.2
The Ascent
Thomas Shaw
2010