William Duffy

Personal Info

Known ForActing
GenderMale
Birthday-
Place of Birth-
IMDb

William Duffy

Biography

William Duffy is an actor.

Known For

Law & Order

Law & Order

1990
7.3
NCIS

NCIS

2003
7.6
The Mentalist

The Mentalist

2008
8.3
Criminal Minds

Criminal Minds

2005
8.3
The West Wing

The West Wing

1999
8.2
Beverly Hills, 90210

Beverly Hills, 90210

1990
7.3
Bosch

Bosch

2015
7.9
It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia

2005
8.3
Scandal

Scandal

2012
7.2
Heroes

Heroes

2006
7.4