William Duffy
Personal Info
Known For
Acting
William Duffy
Biography
William Duffy is an actor.
Known For
7.3
Law & Order
CSU Technician
1990
7.6
NCIS
Harris Cobb
2003
8.3
Criminal Minds
Dr. Larson
2005
8.4
The Mentalist
TSA Agent #2
2008
7.3
Beverly Hills, 90210
Doorman
1990
8.3
The West Wing
Staffer
1999
7.9
Bosch
Vault Attendant
2015
8.3
It's Always Sunny in Philadelphia
Hedge Fund Guy
2005
7.2
Scandal
Ralph Greenwald
2012
7.4
Heroes
ER Doctor
2006
7.7
The O.C.
(voice)
2003
7.5
Parenthood
Mr. Carlson
2010
7.1
The Division
Commander Jackson
2001
5.2
American Dreams
Father Gregory
2002
7.8
Hearts Afire
Doctor
1992
6.8
Blast from the Past
Workman #1
1999
6.9
Carpoolers
2007
6.4
Waist Deep
Newscaster #2
2006
5.4
Double Tap
Gas Man
1997
5.5
Sniper 3
Richard Addis
2004
6.0
The Two Jakes
Desk Sergeant
1990
5.4
Karla
Detective Porter
2006
7.9
A West Wing Special to Benefit When We All Vote
Larry
2020
6.0
Loving
Jay
1970
6.1
Brainstorm
Orderly (uncredited)
1965
3.2
The Ascent
Thomas Shaw
2010
6.5
Betrayed by Love
Paxton
1994