Movies
TV Shows
Actors
William Duffy
Nov 25, 2024 (0 years old) in
William Duffy is an actor.
Known For
Criminal Minds
Law & Order
The Mentalist
Heroes
It's Always Sunny in Philadelphia
Credits
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)