William Duffy

William Duffy

William Duffy is an actor.

Filmography

2008 · TV

as TSA Agent #2

1990 · TV

as CSU Technician

2003 · TV

as Harris Cobb

2005 · TV

as Dr. Larson

It's Always Sunny in Philadelphia

2005 · TV

as Hedge Fund Guy

1999 · TV

as Staffer

Beverly Hills, 90210

1990 · TV

as Doorman

2006 · TV

as ER Doctor

2015 · TV

as Vault Attendant

2012 · TV

as Ralph Greenwald

2010 · TV

as Mr. Carlson

2003 · TV

as (voice)

2001 · TV

as Commander Jackson

American Dreams

2002 · TV

as Father Gregory

1992 · TV

as Doctor

Blast from the Past

1999 · Movie

as Workman #1

2007 · TV

2004 · Movie

as Richard Addis

1997 · Movie

as Gas Man

2006 · Movie

as Detective Porter

1990 · Movie

as Desk Sergeant

2006 · Movie

as Newscaster #2

Betrayed by Love

1994 · Movie

as Paxton

1970 · Movie

as Jay