Arthur Fleck
Lee Quinzel
Jackie Sullivan
Maryanne Stewart
Sophie Dumond
Paddy Meyers
Harvey Dent
Gary Puddles
Dr. Victor Liu
Ricky Meline
Judge Herman Rothwax
Debra Kane
Ernie Bullock
Young Inmate
Music Teacher
Arkham Guard
E Ward Inmate
Dr. Louise Beatty
Paddy Meyers' Producer
Head Bailiff
Jury Foreman
White Chapel Minister
Junior Associate
Masked Joker Driver
Joker Doppelganger
Victim's Dad
Joker Fan #1
Joker Fan #2
Joker Fan #3
Police Escort
Additional Guard
Stan L. Brooks (voice)
News Anchor
Reporter
Back-up Singer
Music Room Pianist
Arkham Guard (uncredited)
Joker / Shadow (voice) (uncredited)