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William Duffy

William Duffy

Acting

Male
12 Movies
16 TV Shows

William Duffy is an actor.

The West Wing
The West Wing

The West Wing

1999 8.3

as Staffer

46 eps
Waist Deep
Waist Deep

Waist Deep

2006 6.4

as Newscaster #2

Sniper 3
Sniper 3

Sniper 3

2004 5.5

as Richard Addis

Karla
Karla

Karla

2006 5.4

as Detective Porter

Blast from the Past
Blast from the Past

Blast from the Past

1999 6.8

as Workman #1

The Two Jakes
The Two Jakes

The Two Jakes

1990 6.0

as Desk Sergeant

The Mentalist
The Mentalist

The Mentalist

2008 8.4

as TSA Agent #2

1 ep
Criminal Minds
Criminal Minds

Criminal Minds

2005 8.3

as Dr. Larson

1 ep
A West Wing Special to Benefit When We All Vote
A West Wing Special to Benefit When We All Vote

A West Wing Special to Benefit When We All Vote

2020 7.9

as Larry

NCIS
NCIS

NCIS

2003 7.6

as Harris Cobb

1 ep
Heroes
Heroes

Heroes

2006 7.4

as ER Doctor

1 ep
It's Always Sunny in Philadelphia
It's Always Sunny in Philadelphia

It's Always Sunny in Philadelphia

2005 8.3

as Hedge Fund Guy

1 ep
The O.C.
The O.C.

The O.C.

2003 7.7

as (voice)

1 ep
Bosch
Bosch

Bosch

2015 7.9

as Vault Attendant

1 ep
Beverly Hills, 90210
Beverly Hills, 90210

Beverly Hills, 90210

1990 7.3

as Doorman

1 ep
Law & Order
Law & Order

Law & Order

1990 7.3

as CSU Technician

1 ep