William Duffy

William Duffy

Known for Acting

William Duffy is an actor.

Discover More Acting Works

A West Wing Special to Benefit When We All Vote

A West Wing Special to Benefit When We All Vote

Larry

2020

7.9
Bosch

Bosch

Vault Attendant

2015

7.9
Scandal

Scandal

Ralph Greenwald

2012

7.2
Parenthood

Parenthood

Mr. Carlson

2010

7.5
The Ascent

The Ascent

Thomas Shaw

2010

3.2
The Mentalist

The Mentalist

TSA Agent #2

2008

8.4
Carpoolers

Carpoolers

Unknown Role

2007

6.9
Heroes

Heroes

ER Doctor

2006

7.5
Waist Deep

Waist Deep

Newscaster #2

2006

6.5
Karla

Karla

Detective Porter

2006

5.4
Criminal Minds

Criminal Minds

Dr. Larson

2005

8.3
It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia

Hedge Fund Guy

2005

8.3
Sniper 3

Sniper 3

Richard Addis

2004

5.4
NCIS

NCIS

Harris Cobb

2003

7.6
The O.C.

The O.C.

(voice)

2003

7.7
American Dreams

American Dreams

Father Gregory

2002

5.1
The Division

The Division

Commander Jackson

2001

7.1
The West Wing

The West Wing

Staffer

1999

8.3
Blast from the Past

Blast from the Past

Workman #1

1999

6.8
Double Tap

Double Tap

Gas Man

1997

5.0
Betrayed by Love

Betrayed by Love

Paxton

1994

5.0
Hearts Afire

Hearts Afire

Doctor

1992

7.3
Beverly Hills, 90210

Beverly Hills, 90210

Doorman

1990

7.3
Law & Order

Law & Order

CSU Technician

1990

7.3
The Two Jakes

The Two Jakes

Desk Sergeant

1990

6.0
Loving

Loving

Jay

1970

5.8
Brainstorm

Brainstorm

Orderly (uncredited)

1965

6.0