Robert De Niro Murray Franklin
Bradley Cooper Producer
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
Thomas J. O'Connell ADR Mixer
Brian Tyree Henry Carl (Arkham Clerk)
Brett Cullen Thomas Wayne
Adrienne Acevedo Lovette Middle Aged Woman (uncredited)
Bob Kane Characters
Steven John Brown Stunts
John Cenatiempo Stunts, Aftermath Police Officer
Frances Conroy Penny Fleck
Carolina Jiménez Layout
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
Kevin Michael Murphy Stunts
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)
Emma Tillinger Koskoff Producer
Frank Miller Thanks
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)
Glenn Fleshler Randall
Bryan Callen Haha's Stripper
Alan Robert Murray Supervising Sound Editor
Marc Maron Gene Ufland
Peter Epstein Stunts
Scott Silver Writer
Michael Dressel Foley Supervisor
Jill Brown Stunts
Keith Giffen Thanks
Leigh Gill Gary
George Drakoulias Music Supervisor
Chris Cenatiempo Stunts
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)
J. M. DeMatteis Thanks
Airon Armstrong Stunt Double
Richard Burden Stunts
Jeff Brink Special Effects Coordinator
Murphy Guyer Barry O'Donnell