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William Duffy

Acting

William Duffy

William Duffy is an actor.

Credits

Newest first

A West Wing Special to Benefit When We All Vote
as Larry
2020
Bosch
as Vault Attendant
2015
Scandal
as Ralph Greenwald
2012
Parenthood
as Mr. Carlson
2010
The Ascent
as Thomas Shaw
2010
The Mentalist
as TSA Agent #2
2008
Carpoolers
2007
Heroes
as ER Doctor
2006
Waist Deep
as Newscaster #2
2006
Karla
as Detective Porter
2006
Criminal Minds
as Dr. Larson
2005
It's Always Sunny in Philadelphia
as Hedge Fund Guy
2005
Sniper 3
as Richard Addis
2004
NCIS
as Harris Cobb
2003
The O.C.
as (voice)
2003
American Dreams
as Father Gregory
2002
The Division
as Commander Jackson
2001
The West Wing
as Staffer
1999
Blast from the Past
as Workman #1
1999
Double Tap
as Gas Man
1997
Betrayed by Love
as Paxton
1994
Hearts Afire
as Doctor
1992
Beverly Hills, 90210
as Doorman
1990
Law & Order
as CSU Technician
1990
The Two Jakes
as Desk Sergeant
1990
Death Game
Executive Producer
1977
Loving
as Jay
1970
Brainstorm
as Orderly (uncredited)
1965

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