"While struggling with his dual identity, Arthur Fleck not only stumbles upon true love, but also finds the music that's always been inside him."
Joaquin Phoenix
as Arthur Fleck
Lady Gaga
as Lee Quinzel
Brendan Gleeson
as Jackie Sullivan
Catherine Keener
as Maryanne Stewart
Zazie Beetz
as Sophie Dumond
Steve Coogan
as Paddy Meyers
Harry Lawtey
as Harvey Dent
Leigh Gill
as Gary Puddles
Ken Leung
as Dr. Victor Liu
Jacob Lofland
as Ricky Meline
Bill Smitrovich
as Judge Herman Rothwax
Sharon Washington
as Debra Kane
Alfred Rubin Thompson
as Ernie Bullock
Connor Storrie
as Young Inmate
Gregg Daniel
as Music Teacher
Mac Brandt
as Arkham Guard
George Carroll
John Lacy
Tim Dillon
Wayne Dehart
as E Ward Inmate
Troy Fromin
Ajgie Kirkland
Terrance T.P. Polite
Jimmy Walker Jr.
Toney Wilson
June Carryl
as Dr. Louise Beatty
Don McManus
as Paddy Meyers' Producer
G.L. McQueary
as Head Bailiff
Angela D. Watson
as Jury Foreman
Murphy Guyer
as White Chapel Minister
Carson Higgins
as Junior Associate
Gattlin Griffith
as Masked Joker Driver
Hudson Oz
as Joker Doppelganger
Ray Lykins
as Victim's Dad
Will Ropp
as Joker Fan #1
Ashton Moio
as Joker Fan #2
Emilio Rojas
as Joker Fan #3
Joe Spinney
as Police Escort
Richard Busser
as Additional Guard
Brian Donahue
Mike Houston
Jess King
Jimmy Smagula
Stephen Stanton
as Stan L. Brooks (voice)
Martin Kildare
as News Anchor
Laurie Dawn
as Reporter
Steven X. Greenfield
Dominiqué Williams-Blair
Barry Bonder
Kaylah Sharve' Baker
as Back-up Singer
Ashley Levin
Celeste Butler
Alex Wesley Smith
as Music Room Pianist
Robert Loftus
as Arkham Guard (uncredited)
Casey Burke
as Girl #1 (uncredited)
Troy Metcalf
as Music Room Inmate #1 (uncredited)
Sam Wren Vincent
as Pro-Joker Protester (uncredited)
Ben van Diepen
as Music Class (uncredited)
Karen Teliha
as B Ward Music Class Patient #14 (uncredited)
Byron Sleugh
as Trombone (uncredited)
Suki Úna Rae
as Protestor (uncredited)
Angelica Quinonez
as Patient / Protestor (uncredited)
Bill Finger
Characters
Jerry Robinson
Joseph Garner
Producer
Bob Kane
Emma Tillinger Koskoff
Todd Phillips
Jeff Groth
Editor
Georgia Kacandes
Executive Producer
Trevor Tavares
Second Assistant Director
John Damiani
Key Makeup Artist
Jacqueline Fernandez
Makeup Artist
Martina Sykes
Mia Bauman
Alyssa Morgan
Heather Galipo
Ryan Robert Howard
David Webb
First Assistant Director
Randy Manion
Unit Production Manager
Kay Georgiou
Hair Designer
Mitchell Beck
Key Hair Stylist
Travis Rehwaldt
Brian Kinney
Brian Machleit
Stunt Coordinator
Jessie Bishop
Nicki Ledermann
Makeup Designer
Sweet P. Vaughn
Scott Silver
Writer
Director
Francine Maisler
Casting
Rick Chavez
Assistant Property Master
Jason Ruder
Executive Music Producer
Bryan Mendoza
Utility Sound
Ken Haber
Location Scout
Aaron Hurvitz
Gregory Irwin
First Assistant "A" Camera
Steven A. Morrow
Sound Mixer
Michael Kaleta
Boom Operator
John Reynolds
Best Boy Grip
Lawrence Sher
Director of Photography
Lori DeLapp
Costume Supervisor
Arianne Phillips
Costume Design
Michael Uslan
Mark Friedberg
Hildur Guðnadóttir
Original Music Composer
Production Design
Michael Thurman
Set Dresser
Hogan Lee
Set Designer
Noelle King
Sarah Contant
Sydnie Ponic
Art Direction
Paul Dini
Bruce Timm
George Drakoulias
Music Supervisor
Randall Poster
Nitasha Bhambree
Stunts
Erik Aadahl
Supervising Sound Editor
Shauna Duggins
Co-Producer
Carson O'Dell
Special Effects
Matthew Bouchard
Special Effects Technician
David Meyer
Jared Patrick Gerbig
Michael Duenas
Firat Averbek
Marc Tantin
Dan Webster
Supervising Art Director
Erica Hohf
Taylor Walters
Matthew Lillis
Gordon Stotz
Brendon O'Dell
Special Effects Coordinator
Meghan Currier
Music Coordinator
Music Consultant
Mallory Thompson
Sylvain Chomet
Animation
Pete Chiappetta
Andrew Lary
Anthony Tittanegro
Michael Arnold
Choreographer
Justine Conte
Beverly Abbott
Visual Effects Producer
Colby Lemmo
Stunt Double
Richard Epper
Utility Stunts
Doug Coleman
Eliza Coleman
Matt Berberi
Tim Rigby
Declan Mulvey
Tom Ozanich
Sound Re-Recording Mixer
Dean A. Zupancic
Craig Baxley Jr.
James M. Halty
Brian Simpson
Brent Fletcher
Ross Kohnstam
Brett Smrz
John Branagan
Wayne Dalglish
Andy Gill
Daniel Leavitt
Rhys Millen
Jake Swallow
Tim Trella
Malte Bieler
Sound Designer
Jack Cucci
Foley Mixer
John T. Cucci
Foley Artist
Russell Farmarco
Dialogue Editor
ADR Editor
Dan Gamache
Jeanne Gilliland
Tavish Grade
Jon Greasley
Darren Maynard
Sound Effects Editor
John-Paul Natysin
Jason Oliver
ADR Mixer
Dan O'Connell
Mikel Parraga-Wills
Ethan Van der Ryn
Karen O'Hara
Set Decoration
Lauren Baker
Matt Boucard
Jeremy Cisneros
Mason Chesler
Graphic Designer
Wylie Griffin
Assistant Art Director
Amanda Hagy
Scenic Artist
Damon Hahn
Stephanie Higgins Frey
Art Department Coordinator
Klara Jogalla
Art Department Assistant
J.P. Jones
Property Master
Maciej Kuciara
Concept Artist
David Mauch
Merdyce McClaran
On Set Dresser
Original Film Writer
John McElroy
Props
Stephen McGlade
Marilyn Morgan-Mouneu
David Nardoni
Assistant Set Decoration
Tanicia Osuch
Kristina Parsons
Dennis Richardson
Construction Foreman
Joel Ruiz
Jessica Santisteban
Jeff Shewbert
Construction Coordinator
Justin Simonetti
Benjamin Kimball Smith
Jake Spongberg
Hanna Woltz
Jane Wuu
Carolina Acero
Lighting Technician
Praveen Allu
Digital Compositor
Jorge Arista
Abdullah Azizi
Visual Effects Coordinator
Romero Benitez
Ashleigh Biller
Marlon Victor Bondoc
VFX Artist
Anwei Chen
Samuel Côté
Sydney Erbez
Jason Howey
CG Supervisor
Thippabathula Shiva
Visual Effects Supervisor
David Armstrong
Jill Bogdanowicz
Other
Rafael E. Sánchez
Gaffer
Geoffrey Haley
Camera Operator
George B. Colucci Jr.
Colin Anderson
Steadicam Operator
"A" Camera Operator
Chris Barnes
Ivan Moran
Songs