William Duffy is an actor.
The Mentalist
Series • 2008
Criminal Minds
Series • 2005
Beverly Hills, 90210
Series • 1990
NCIS
Series • 2003
Law & Order
The West Wing
Series • 1999
It's Always Sunny in Philadelphia
Heroes
Series • 2006
Scandal
Series • 2012
Bosch
Series • 2015
The O.C.
Parenthood
Series • 2010
The Division
Series • 2001
American Dreams
Series • 2002
Hearts Afire
Series • 1992
Blast from the Past
Movie • 1999
Carpoolers
Series • 2007
Sniper 3
Movie • 2004
The Two Jakes
Movie • 1990
Waist Deep
Movie • 2006
Karla
Double Tap
Movie • 1997
Death Game
Movie • 1977
A West Wing Special to Benefit When We All Vote
Movie • 2020
Brainstorm
Movie • 1965
Loving
Movie • 1970
Betrayed by Love
Movie • 1994
The Ascent
Movie • 2010
