
William Duffy
Biography
William Duffy is an actor.
Filmography

The Mentalist
2008 · 8.4

The West Wing
1999 · 8.3

Criminal Minds
2005 · 8.3

It's Always Sunny in Philadelphia
2005 · 8.3

Bosch
2015 · 7.9

A West Wing Special to Benefit When We All Vote
2020 · 7.9

The O.C.
2003 · 7.7

NCIS
2003 · 7.6

Hearts Afire
1992 · 7.6

Parenthood
2010 · 7.5

Heroes
2006 · 7.4

Beverly Hills, 90210
1990 · 7.3

Law & Order
1990 · 7.3

Scandal
2012 · 7.2

The Division
2001 · 7.1

Carpoolers
2007 · 7.1

Blast from the Past
1999 · 6.8

Waist Deep
2006 · 6.6

Betrayed by Love
1994 · 6.5

Brainstorm
1965 · 6.1

The Two Jakes
1990 · 6.0

Loving
1970 · 6.0

Sniper 3
2004 · 5.5

Karla
2006 · 5.4

American Dreams
2002 · 5.2

Double Tap
1997 · 5.1

The Ascent
2010 · 3.2