Robert De Niro
Murray Franklin
Zazie Beetz
Sophie Dumond
Joaquin Phoenix
Arthur Fleck
Justin Theroux
Ethan Chase (uncredited)
Shea Whigham
Detective Burke
Matthew Jeffrey Sama
Assistant Art Director
John T. Cucci
Foley Artist
Jeffrey D. McDonald
Assistant Art Director
Brian Tyree Henry
Carl (Arkham Clerk)
Brett Cullen
Thomas Wayne
Adrienne Acevedo Lovette
Middle Aged Woman (uncredited)
Bob Kane
Characters
John Cenatiempo
Stunts, Aftermath Police Officer
Frances Conroy
Penny Fleck
Dan O'Connell
Foley Artist
John Joseph Thomas
Sound Effects Editor
Bill Camp
Detective Garrity
Tod A. Maitland
Sound Mixer
G.A. Aguilar
Stunt Coordinator
Carla White
Makeup Artist
Aaron L. Gilbert
Executive Producer
Todd Phillips
Producer, Writer, Director
Richard Duarte
Foley Mixer
Sondra James
Dr. Sally
Sharon Washington
Social Worker
James P. Harkins
Thomas Wayne's Body Guard (uncredited)
Bill Finger
Characters
Isabella Ferreira
Flirting Woman on the Bus (uncredited)
April Grace
Arkham Psychiatrist
Brice R. Parker
Visual Effects Producer
Hannah Gross
Young Penny
Mark Friedberg
Production Design
Douglas Hodge
Alfred Pennyworth
Joseph S. Alfieri
Construction Coordinator
Brendan Patrick Connor
Mr. Slotnick (uncredited)
Dean A. Zupancic
Sound Re-Recording Mixer
Josh Pais
Hoyt Vaughn
Blaise Corrigan
Taxi Driver (uncredited)
Bryan Callen
Haha's Stripper
Alan Robert Murray
Supervising Sound Editor
Marc Maron
Gene Ufland
Michael Dressel
Foley Supervisor
George Drakoulias
Music Supervisor
Geoffrey Haley
Steadicam Operator, "A" Camera Operator
Lawrence Sher
Director of Photography, Cinematography
Cameron Steenhagen
Dialogue Editor
Nicki Ledermann
Makeup Department Head
Jerry Robinson
Characters
Frank Wood
Dr. Stoner
Chris Redd
Comedy Club Emcee
Randall Poster
Music Supervisor
Walter Hamada
Executive Producer
Dennis Jay Funny
Gotham Citizen (uncredited)
Airon Armstrong
Stunt Double
Jeff Brink
Special Effects Coordinator
Murphy Guyer
Barry O'Donnell