William Duffy
Acting
Biography
William Duffy is an actor.
Known For
The Mentalist
TSA Agent #2
Law & Order
CSU Technician
NCIS
Harris Cobb
Criminal Minds
Dr. Larson
The West Wing
Staffer
It's Always Sunny in Philadelphia
Hedge Fund Guy
Heroes
ER Doctor
Beverly Hills, 90210
Doorman
Bosch
Vault Attendant
Scandal
Ralph Greenwald
The O.C.
(voice)
Parenthood
Mr. Carlson
The Division
Commander Jackson
American Dreams
Father Gregory
Blast from the Past
Workman #1
Hearts Afire
Doctor
Sniper 3
Richard Addis
Waist Deep
Newscaster #2
Carpoolers
Double Tap
Gas Man
Karla
Detective Porter
The Two Jakes
Desk Sergeant
Brainstorm
Orderly (uncredited)
Betrayed by Love
Paxton
A West Wing Special to Benefit When We All Vote
Larry
Loving
Jay
The Ascent
Thomas Shaw