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