
William Duffy
Acting
Acting1
Biography
William Duffy is an actor.
Filmography
27 credits
The Two Jakes
Movie • 1990
Desk Sergeant

Karla
Movie • 2006
Detective Porter

Waist Deep
Movie • 2006
Newscaster #2

Sniper 3
Movie • 2004
Richard Addis

Blast from the Past
Movie • 1999
Workman #1

The Ascent
Movie • 2010
Thomas Shaw

Brainstorm
Movie • 1965
Orderly (uncredited)

Betrayed by Love
Movie • 1994
Paxton

A West Wing Special to Benefit When We All Vote
Movie • 2020
Larry

Double Tap
Movie • 1997
Gas Man

Loving
Movie • 1970
Jay

The Mentalist
TV • 2008
TSA Agent #2

Heroes
TV • 2006
ER Doctor

Hearts Afire
TV • 1992
Doctor

Parenthood
TV • 2010
Mr. Carlson

Criminal Minds
TV • 2005
Dr. Larson

Scandal
TV • 2012
Ralph Greenwald

The West Wing
TV • 1999
Staffer

It's Always Sunny in Philadelphia
TV • 2005
Hedge Fund Guy

Bosch
TV • 2015
Vault Attendant

Law & Order
TV • 1990
CSU Technician

The O.C.
TV • 2003
(voice)

American Dreams
TV • 2002
Father Gregory

The Division
TV • 2001
Commander Jackson

NCIS
TV • 2003
Harris Cobb

Carpoolers
TV • 2007

Beverly Hills, 90210
TV • 1990
Doorman