William Duffy
Acting
Biography
William Duffy is an actor.
Filmography 27
Movies (11)
A West Wing Special to Benefit When We All Vote2020Larry
The Ascent2010Thomas Shaw
Waist Deep2006Newscaster #2
Karla2006Detective Porter
Sniper 32004Richard Addis
Blast from the Past1999Workman #1
Double Tap1997Gas Man
Betrayed by Love1994Paxton
The Two Jakes1990Desk Sergeant
Loving1970Jay
Brainstorm1965Orderly (uncredited)
Shows (16)
Bosch2015Vault Attendant
Scandal2012Ralph Greenwald
Parenthood2010Mr. Carlson
The Mentalist2008TSA Agent #2
Carpoolers2007
Heroes2006ER Doctor
Criminal Minds2005Dr. Larson
It's Always Sunny in Philadelphia2005Hedge Fund Guy
NCIS2003Harris Cobb
The O.C.2003(voice)
American Dreams2002Father Gregory
The Division2001Commander Jackson
The West Wing1999Staffer
Hearts Afire1992Doctor
Beverly Hills, 902101990Doorman
Law & Order1990CSU Technician