William Duffy
ActingTotal Credits
28
Acting
27
First Credit
1965
Latest Credit
2020

The Mentalist
TSA Agent #2
2008

Criminal Minds
Dr. Larson
2005

The West Wing
Staffer
1999

It's Always Sunny in Philadelphia
Hedge Fund Guy
2005

Bosch
Vault Attendant
2015

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

The O.C.
(voice)
2003

NCIS
Harris Cobb
2003

Parenthood
Mr. Carlson
2010

Heroes
ER Doctor
2006

Beverly Hills, 90210
Doorman
1990

Law & Order
CSU Technician
1990

Scandal
Ralph Greenwald
2012

The Division
Commander Jackson
2001

Blast from the Past
Workman #1
1999

Waist Deep
Newscaster #2
2006

Brainstorm
Orderly (uncredited)
1965

The Two Jakes
Desk Sergeant
1990

Loving
Jay
1970

Death Game
Executive Producer
1977

Sniper 3
Richard Addis
2004

Karla
Detective Porter
2006

Double Tap
Gas Man
1997

American Dreams
Father Gregory
2002

Hearts Afire
Doctor
1992

Carpoolers
Actor
2007

Betrayed by Love
Paxton
1994

The Ascent
Thomas Shaw
2010