William Duffy
Known For
Acting
Born
Biography
William Duffy is an actor.
Most Known For
Law & Order
as CSU Technician
NCIS
as Harris Cobb
Criminal Minds
as Dr. Larson
The Mentalist
as TSA Agent #2
The West Wing
as Staffer
It's Always Sunny in Philadelphia
as Hedge Fund Guy
Beverly Hills, 90210
as Doorman
Scandal
as Ralph Greenwald
Bosch
as Vault Attendant
Heroes
as ER Doctor
The O.C.
as (voice)
Parenthood
as Mr. Carlson
The Division
as Commander Jackson
American Dreams
as Father Gregory
Hearts Afire
as Doctor
Sniper 3
as Richard Addis
Blast from the Past
as Workman #1
Karla
as Detective Porter
Double Tap
as Gas Man
