William Duffy

Acting · Production

William Duffy is an actor.

Filmography

• 2020A West Wing Special to Benefit When We All Vote — Larry
• Bosch — Vault Attendant
• Scandal — Ralph Greenwald
• Parenthood — Mr. Carlson
• 2010The Ascent — Thomas Shaw
• The Mentalist — TSA Agent #2
• Carpoolers
• Heroes — ER Doctor
• 2006Karla — Detective Porter
• 2006Waist Deep — Newscaster #2
• Criminal Minds — Dr. Larson
• It's Always Sunny in Philadelphia — Hedge Fund Guy
• 2004Sniper 3 — Richard Addis
• NCIS — Harris Cobb
• The O.C. — (voice)
• American Dreams — Father Gregory
• The Division — Commander Jackson
• 1999Blast from the Past — Workman #1
• The West Wing — Staffer
• 1997Double Tap — Gas Man
• 1994Betrayed by Love — Paxton
• Hearts Afire — Doctor
• Beverly Hills, 90210 — Doorman
• Law & Order — CSU Technician
• 1990The Two Jakes — Desk Sergeant
• 1977Death Game — Executive Producer
• 1970Loving — Jay
• 1965Brainstorm — Orderly (uncredited)