William Duffy
Biography
William Duffy is an actor.
Known For
Acting
8.0
A West Wing Special to Benefit When We All Vote
2020
7.9
Bosch
2015
7.2
Scandal
2012
7.5
Parenthood
2010
8.4
The Mentalist
2008
7.5
Heroes
2006
6.5
Waist Deep
2006
5.4
Karla
2006
8.3
Criminal Minds
2005
8.3
It's Always Sunny in Philadelphia
2005
5.4
Sniper 3
2004
7.6
NCIS
2003
7.7
The O.C.
2003
5.1
American Dreams
2002
7.1
The Division
2001
8.2
The West Wing
1999
6.8
Blast from the Past
1999
7.3
Beverly Hills, 90210
1990
7.4
Law & Order
1990
6.0
The Two Jakes
1990
5.8
Loving
1970
6.0
Brainstorm
1965
