William Duffy
Known For: Acting
Biography
William Duffy is an actor.
Filmography
2020
2015
- Bosch as Vault Attendant
2012
- Scandal as Ralph Greenwald
2010
- Parenthood as Mr. Carlson
- The Ascent as Thomas Shaw
2008
- The Mentalist as TSA Agent #2
2007
2006
- Heroes as ER Doctor
- Waist Deep as Newscaster #2
- Karla as Detective Porter
2005
- Criminal Minds as Dr. Larson
- It's Always Sunny in Philadelphia as Hedge Fund Guy
2004
- Sniper 3 as Richard Addis
2002
- American Dreams as Father Gregory
2001
- The Division as Commander Jackson
1999
- The West Wing as Staffer
- Blast from the Past as Workman #1
1997
- Double Tap as Gas Man
1994
- Betrayed by Love as Paxton
1992
- Hearts Afire as Doctor
1990
- Law & Order as CSU Technician
- The Two Jakes as Desk Sergeant
1977
- Death Game ... (Executive Producer)
1970
- Loving as Jay
1965
- Brainstorm as Orderly (uncredited)