William Duffy

Biography

William Duffy is an actor.

Known For

A West Wing Special to Benefit When We All Vote 2020 ★ 7.9
Bosch 2015 ★ 7.9
Scandal 2012 ★ 7.2
Parenthood 2010 ★ 7.5
The Mentalist 2008 ★ 8.4
Carpoolers 2007 ★ 7.1
Heroes 2006 ★ 7.5
Waist Deep 2006 ★ 6.4
Karla 2006 ★ 5.4
Criminal Minds 2005 ★ 8.3
It's Always Sunny in Philadelphia 2005 ★ 8.3
Sniper 3 2004 ★ 5.5
NCIS 2003 ★ 7.6
The O.C. 2003 ★ 7.7
American Dreams 2002 ★ 5.2
The Division 2001 ★ 7.1
The West Wing 1999 ★ 8.3
Blast from the Past 1999 ★ 6.8
Double Tap 1997 ★ 5.1
Hearts Afire 1992 ★ 7.8
Law & Order 1990 ★ 7.3
Beverly Hills, 90210 1990 ★ 7.3
The Two Jakes 1990 ★ 6.0
Brainstorm 1965 ★ 6.1