William Duffy

William Duffy

William Duffy is an actor.

Filmography

Law & Order
Law & Order
1990 · TV
as CSU Technician
NCIS
NCIS
2003 · TV
as Harris Cobb
The Mentalist
The Mentalist
2008 · TV
as TSA Agent #2
Criminal Minds
Criminal Minds
2005 · TV
as Dr. Larson
It's Always Sunny in Philadelphia
It's Always Sunny in Philadelphia
2005 · TV
as Hedge Fund Guy
Beverly Hills, 90210
Beverly Hills, 90210
1990 · TV
as Doorman
The West Wing
The West Wing
1999 · TV
as Staffer
Heroes
Heroes
2006 · TV
as ER Doctor
Scandal
Scandal
2012 · TV
as Ralph Greenwald
Bosch
Bosch
2015 · TV
as Vault Attendant
Parenthood
Parenthood
2010 · TV
as Mr. Carlson
The O.C.
The O.C.
2003 · TV
as (voice)
The Division
The Division
2001 · TV
as Commander Jackson
American Dreams
American Dreams
2002 · TV
as Father Gregory
Hearts Afire
Hearts Afire
1992 · TV
as Doctor
Blast from the Past
Blast from the Past
1999 · Movie
as Workman #1
Sniper 3
Sniper 3
2004 · Movie
as Richard Addis
Carpoolers
Carpoolers
2007 · TV
The Two Jakes
The Two Jakes
1990 · Movie
as Desk Sergeant
Double Tap
Double Tap
1997 · Movie
as Gas Man
Karla
Karla
2006 · Movie
as Detective Porter
Waist Deep
Waist Deep
2006 · Movie
as Newscaster #2
A West Wing Special to Benefit When We All Vote
A West Wing Special to Benefit When We All Vote
2020 · Movie
as Larry
Brainstorm
Brainstorm
1965 · Movie
as Orderly (uncredited)