William Duffy
Biography
William Duffy is an actor.
Gallery
Known For
Acting History
2020
A West Wing Special to Benefit When We All Vote as Larry
2015Bosch as Vault Attendant
2012Scandal as Ralph Greenwald
2010Parenthood as Mr. Carlson
2010The Ascent as Thomas Shaw
2008The Mentalist as TSA Agent #2
2007Carpoolers
2006Heroes as ER Doctor
2006Waist Deep as Newscaster #2
2006Karla as Detective Porter
2005Criminal Minds as Dr. Larson
2005It's Always Sunny in Philadelphia as Hedge Fund Guy
2004Sniper 3 as Richard Addis
2003NCIS as Harris Cobb
2003The O.C. as (voice)
2002American Dreams as Father Gregory
2001The Division as Commander Jackson
1999The West Wing as Staffer
1999Blast from the Past as Workman #1
1997Double Tap as Gas Man
1994Betrayed by Love as Paxton
1992Hearts Afire as Doctor
1990Beverly Hills, 90210 as Doorman
1990Law & Order as CSU Technician
1990The Two Jakes as Desk Sergeant
1970Loving as Jay
1965Brainstorm as Orderly (uncredited)