William Duffy
- Known for
- Acting
William Duffy is an actor.
Known for
Acting 12
- 2020A West Wing Special to Benefit When We All Vote as Larry
- 2010The Ascent as Thomas Shaw
- 2008The Mentalist as TSA Agent #2 · 1 episode
- 2006Waist Deep as Newscaster #2
- 2006Karla as Detective Porter
- 2004Sniper 3 as Richard Addis
- 1999Blast from the Past as Workman #1
- 1997Double Tap as Gas Man
- 1994Betrayed by Love as Paxton
- 1990The Two Jakes as Desk Sergeant
- 1970Loving as Jay
- 1965Brainstorm as Orderly (uncredited)
Production 1
- 1977Death Game · executive producer