Actor
William Duffy
William Duffy is an actor.
Notable work
8.4The Mentalist (2008)
as TSA Agent #2
8.3Criminal Minds (2005)
as Dr. Larson
7.5Heroes (2006)
as ER Doctor
7.6NCIS (2003)
as Harris Cobb
8.3It's Always Sunny in Philadelphia (2005)
as Hedge Fund Guy
6.8Blast from the Past (1999)
as Workman #1
7.7The O.C. (2003)
as (voice)
7.3Beverly Hills, 90210 (1990)
as Doorman
7.9Bosch (2015)
as Vault Attendant
7.3Law & Order (1990)
as CSU Technician
7.2Scandal (2012)
as Ralph Greenwald
8.3The West Wing (1999)
as Staffer
Often works with
Samaire Armstrong
2 titles together
The Mentalist, The O.C.
Gregory Scott Cummins
2 titles together
It's Always Sunny in Philadelphia, Bosch
Joshua Malina
2 titles together
Scandal, The West Wing
Martin Sheen
2 titles together
The West Wing, A West Wing Special to Benefit When We All Vote
Allison Janney
2 titles together
The West Wing, A West Wing Special to Benefit When We All Vote
Bradley Whitford
2 titles together
The West Wing, A West Wing Special to Benefit When We All Vote
Full filmography · 27
Bosch
as Vault Attendant
20157.9
Scandal
as Ralph Greenwald
20127.2
Parenthood
as Mr. Carlson
20107.5
The Mentalist
as TSA Agent #2
20088.4
Carpoolers
cast
2007
Heroes
as ER Doctor
20067.5
Criminal Minds
as Dr. Larson
20058.3
It's Always Sunny in Philadelphia
as Hedge Fund Guy
20058.3
NCIS
as Harris Cobb
20037.6
The O.C.
as (voice)
20037.7
American Dreams
as Father Gregory
2002
The Division
as Commander Jackson
2001