William Duffy
Acting
William Duffy is an actor.
movieA West Wing Special to Benefit When We All Vote
as Larry · 2020 · 7.9
tvBosch
as Vault Attendant · 2015 · 7.9
tvScandal
as Ralph Greenwald · 2012 · 7.2
tvParenthood
as Mr. Carlson · 2010 · 7.5
movieThe Ascent
as Thomas Shaw · 2010 · 3.2
tvThe Mentalist
as TSA Agent #2 · 2008 · 8.4
tvCarpoolers
as · 2007 · 6.9
tvHeroes
as ER Doctor · 2006 · 7.4
movieWaist Deep
as Newscaster #2 · 2006 · 6.4
movieKarla
as Detective Porter · 2006 · 5.4
tvCriminal Minds
as Dr. Larson · 2005 · 8.3
tvIt's Always Sunny in Philadelphia
as Hedge Fund Guy · 2005 · 8.3
movieSniper 3
as Richard Addis · 2004 · 5.5
tvNCIS
as Harris Cobb · 2003 · 7.6
tvThe O.C.
as (voice) · 2003 · 7.7
tvAmerican Dreams
as Father Gregory · 2002 · 5.2
tvThe Division
as Commander Jackson · 2001 · 7.1
tvThe West Wing
as Staffer · 1999 · 8.3
movieBlast from the Past
as Workman #1 · 1999 · 6.8
movieDouble Tap
as Gas Man · 1997 · 5.4
movieBetrayed by Love
as Paxton · 1994 · 6.5
tvHearts Afire
as Doctor · 1992 · 7.8
tvBeverly Hills, 90210
as Doorman · 1990 · 7.3
tvLaw & Order
as CSU Technician · 1990 · 7.3