William Duffy
Where to watch William Duffy in United States. On screen since 1965. Licensed apps only — 24 titles we track below.
William Duffy is an actor.
Where to watch their titles
The Mentalist
TSA Agent #2 · 2008
Criminal Minds
Dr. Larson · 2005
Heroes
ER Doctor · 2006
NCIS
Harris Cobb · 2003
It's Always Sunny in Philadelphia
Hedge Fund Guy · 2005
Blast from the Past
Workman #1 · 1999
The O.C.
(voice) · 2003
Beverly Hills, 90210
Doorman · 1990
Bosch
Vault Attendant · 2015
Law & Order
CSU Technician · 1990
Scandal
Ralph Greenwald · 2012
The West Wing
Staffer · 1999
The Two Jakes
Desk Sergeant · 1990
Waist Deep
Newscaster #2 · 2006
Parenthood
Mr. Carlson · 2010
Sniper 3
Richard Addis · 2004
Karla
Detective Porter · 2006
Brainstorm
Orderly (uncredited) · 1965
A West Wing Special to Benefit When We All Vote
Larry · 2020
Loving
Jay · 1970
The Division
Commander Jackson · 2001
American Dreams
Father Gregory · 2002
Double Tap
Gas Man · 1997
Carpoolers
2007