William Duffy
Actor · Executive Producer
Active 1965–present
William Duffy is an actor.
Filmography
The Mentalist (2008) - TSA Agent #2Criminal Minds (2005) - Dr. LarsonIt's Always Sunny in Philadelphia (2005) - Hedge Fund GuyNCIS (2003) - Harris CobbHeroes (2006) - ER DoctorThe West Wing (1999) - StafferThe O.C. (2003) - (voice)Bosch (2015) - Vault AttendantBeverly Hills, 90210 (1990) - DoormanBlast from the Past (1999) - Workman #1Law & Order (1990) - CSU TechnicianScandal (2012) - Ralph GreenwaldParenthood (2010) - Mr. CarlsonWaist Deep (2006) - Newscaster #2The Two Jakes (1990) - Desk SergeantSniper 3 (2004) - Richard AddisA West Wing Special to Benefit When We All Vote (2020) - LarryKarla (2006) - Detective PorterDeath Game (1977) - Executive ProducerThe Division (2001) - Commander JacksonBrainstorm (1965) - Orderly (uncredited)Carpoolers (2007)Hearts Afire (1992) - DoctorLoving (1970) - Jay