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William Duffy

William Duffy

William Duffy

Acting

Biography

William Duffy is an actor.

Movie Credits

A West Wing Special to Benefit When We All Vote

A West Wing Special to Benefit When We All Vote

2020

Blast from the Past

Blast from the Past

1999

Betrayed by Love

Betrayed by Love

1994

Waist Deep

2006

Brainstorm

1965

Loving

1970

The Two Jakes

1990

Sniper 3

2004

Karla

2006

Double Tap

1997

The Ascent

2010

TV Credits

The Mentalist

2008

It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia

2005

Criminal Minds

2005

The West Wing

1999

Bosch

2015

Hearts Afire

1992

The O.C.

2003

NCIS

2003

Parenthood

2010

Heroes

2006

Beverly Hills, 90210

Beverly Hills, 90210

1990

Law & Order

1990

Scandal

2012

The Division

2001

Carpoolers

2007

American Dreams

American Dreams

2002

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