Personal Info

Known For

Acting

Known Credits

Gender

Male

Birthday

Place of Birth

William Duffy

Biography

William Duffy is an actor.

Known For

8.4%

The Mentalist

Sep 23, 2008

8.3%

Criminal Minds

Sep 22, 2005

7.5%

Heroes

Sep 25, 2006

8.3%

It's Always Sunny in Philadelphia

Aug 4, 2005

6.8%

Blast from the Past

Feb 12, 1999

7.8%

The O.C.

Aug 5, 2003

7.9%

Bosch

Jan 14, 2015

7.4%

Law & Order

Sep 13, 1990

7.1%

Scandal

Apr 5, 2012

8.3%

The West Wing

Sep 22, 1999

6.5%

Waist Deep

Jun 23, 2006

6.0%

The Two Jakes

Aug 10, 1990

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Acting

2020

A West Wing Special to Benefit When We All Vote as Larry

2015

Bosch as Vault Attendant

2012

Scandal as Ralph Greenwald

2010		Parenthood as Mr. Carlson
2010		The Ascent as Thomas Shaw

2008

The Mentalist as TSA Agent #2

2006		Heroes as ER Doctor
2006		Waist Deep as Newscaster #2
2006		Karla as Detective Porter

2005		Criminal Minds as Dr. Larson
2005		It's Always Sunny in Philadelphia as Hedge Fund Guy

2004

Sniper 3 as Richard Addis

2003

The O.C. as (voice)

2002

American Dreams as Father Gregory

1999		The West Wing as Staffer Larry
1999		Blast from the Past as Workman #1

1997

Double Tap as Gas Man

1994

Betrayed by Love as Paxton

1992

Hearts Afire as Doctor

1990		Law & Order as CSU Technician
1990		The Two Jakes as Desk Sergeant

1970

Loving as Jay

1965

Brainstorm as Orderly (uncredited)

Production

1977

Death Game as Executive Producer