William Duffy
Acting
William Duffy is an actor.
Known for
8.3
The West Wing
1999 · TV
8.3
The Mentalist
2008 · TV
7.6
NCIS
2003 · TV
7.3
Law & Order
1990 · TV
8.3
Criminal Minds
2005 · TV
7.3
Beverly Hills, 90210
1990 · TV
7.9
Bosch
2015 · TV
7.4
Heroes
2006 · TV
8.3
It's Always Sunny in Philadelphia
2005 · TV
7.7
The O.C.
2003 · TV
7.2
Scandal
2012 · TV
7.5
Parenthood
2010 · TV
7.1
The Division
2001 · TV
7.8
Hearts Afire
1992 · TV
5.2
American Dreams
2002 · TV
6.9
Carpoolers
2007 · TV