Brendan Gleeson Jackie Sullivan
Paul Dini Characters
Bruce Timm Characters
Joaquin Phoenix Arthur Fleck
Catherine Keener Maryanne Stewart
Zazie Beetz Sophie Dumond
Gregory Irwin First Assistant "A" Camera
George B. Colucci Jr. Stunts
Steve Coogan Paddy Meyers
Don McManus Paddy Meyers' Producer
Ray Lykins Victim's Dad, Stunts
Tim Rigby Stunts
Sweet P. Vaughn Makeup Artist
Lori DeLapp Costume Supervisor
Lady Gaga Lee Quinzel, Music Consultant
Ken Leung Dr. Victor Liu
Bob Kane Characters
Mike Houston Additional Guard
Ashton Moio Joker Fan #2
Sylvain Chomet Animation
Jane Wuu Set Designer
Jimmy Walker Jr. E Ward Inmate
Jacob Lofland Ricky Meline
Eliza Coleman Stunts
Wayne Dalglish Stunts
Todd Phillips Producer, Director, Writer, Original Film Writer
Laurie Dawn Reporter
Daniel Leavitt Stunts
Jimmy Smagula Additional Guard
Rick Chavez Assistant Property Master
Matt Berberi Stunt Double
Alfred Rubin Thompson Ernie Bullock
John Damiani Key Makeup Artist
Bill Smitrovich Judge Herman Rothwax
Bill Finger Characters
Gregg Daniel Music Teacher
John Lacy Arkham Guard
Michael Kaleta Boom Operator
George Drakoulias Music Supervisor
Shauna Duggins Stunts
Will Ropp Joker Fan #1
Martina Sykes Makeup Artist
David Armstrong Stunts
Brian Simpson Stunts
Brian Donahue Additional Guard
Mia Bauman Makeup Artist
Richard Epper Utility Stunts
Anthony Tittanegro Executive Producer
Pete Chiappetta Executive Producer
Gattlin Griffith Masked Joker Driver
Harry Lawtey Harvey Dent
Wayne Dehart E Ward Inmate
Jake Swallow Stunts
Mac Brandt Arkham Guard
Andy Gill Stunts
Erik Aadahl Supervising Sound Editor
Kay Georgiou Hair Designer
Casey Burke Singer (uncredited)
Murphy Guyer White Chapel Minister
Brian Machleit Stunt Coordinator
Sharon Washington Debra Kane
Leigh Gill Gary Puddles
Ethan Van der Ryn Supervising Sound Editor, Sound Designer
June Carryl Dr. Louise Beatty
Scott Silver Writer, Executive Producer, Original Film Writer
Andrew Lary Executive Producer
George Carroll Arkham Guard
Mallory Thompson Stunts
Jason Oliver ADR Mixer
Doug Coleman Stunts
Georgia Kacandes Executive Producer, Unit Production Manager
Troy Fromin E Ward Inmate