7.9Acting
William Duffy
Biography
William Duffy is an actor.
Known For
Filmography
28 titles · Newest first · Cast and crew credits
A West Wing Special to Benefit When We All Vote
2020 · Movie
Larry
Bosch
2015 · TV Show
Vault Attendant
Scandal
2012 · TV Show
Ralph Greenwald
Parenthood
2010 · TV Show
Mr. Carlson
The Ascent
2010 · Movie
Thomas Shaw
The Mentalist
2008 · TV Show
TSA Agent #2
Carpoolers
2007 · TV Show
Cast
Heroes
2006 · TV Show
ER Doctor
Karla
2006 · Movie
Detective Porter
Waist Deep
2006 · Movie
Newscaster #2
Criminal Minds
2005 · TV Show
Dr. Larson
It's Always Sunny in Philadelphia
2005 · TV Show
Hedge Fund Guy
Sniper 3
2004 · Movie
Richard Addis
NCIS
2003 · TV Show
Harris Cobb
The O.C.
2003 · TV Show
(voice)
American Dreams
2002 · TV Show
Father Gregory
The Division
2001 · TV Show
Commander Jackson
Blast from the Past
1999 · Movie
Workman #1
The West Wing
1999 · TV Show
Staffer
Double Tap
1997 · Movie
Gas Man
Betrayed by Love
1994 · Movie
Paxton
Hearts Afire
1992 · TV Show
Doctor
Beverly Hills, 90210
1990 · TV Show
Doorman
Law & Order
1990 · TV Show
CSU Technician
The Two Jakes
1990 · Movie
Desk Sergeant
Death Game
1977 · Movie
Executive Producer
Loving
1970 · Movie
Jay
Brainstorm
1965 · Movie
Orderly (uncredited)