Catherine Keener Maryanne Stewart
Joaquin Phoenix Arthur Fleck
Brendan Gleeson Jackie Sullivan
Zazie Beetz Sophie Dumond
Connor Storrie Young Inmate
Ken Leung Dr. Victor Liu
Bob Kane Characters
Jacob Lofland Ricky Meline
Steve Coogan Paddy Meyers
Todd Phillips Original Film Writer, Director, Writer, Producer
Lady Gaga Lee Quinzel, Songs, Music Consultant
Paul Dini Characters
Bruce Timm Characters
Bill Smitrovich Judge Herman Rothwax
Bill Finger Characters
Gattlin Griffith Masked Joker Driver
Tim Rigby Stunts
Don McManus Paddy Meyers' Producer
Shauna Duggins Stunts
Erik Aadahl Supervising Sound Editor
Harry Lawtey Harvey Dent
Mac Brandt Arkham Guard
Scott Silver Executive Producer, Original Film Writer, Writer
Andy Gill Stunts
Stephen Stanton Stan L. Brooks (voice)
Sylvain Chomet Animation
Karen O'Hara Set Decoration
Leigh Gill Gary Puddles
Murphy Guyer White Chapel Minister
Doug Coleman Stunts
Francine Maisler Casting
Nitasha Bhambree Stunts
Will Ropp Joker Fan #1
Matt Berberi Stunt Double
Casey Burke Girl #1 (uncredited)
Sharon Washington Debra Kane
Hildur Guðnadóttir Original Music Composer
Pete Chiappetta Executive Producer
Colby Lemmo Stunt Double, Stunts
Richard Epper Utility Stunts
George Carroll Arkham Guard
Emma Tillinger Koskoff Producer
Jerry Robinson Characters
Mallory Thompson Stunts
Brent Fletcher Stunts
Brian Machleit Stunt Coordinator
George Drakoulias Music Supervisor
Tom Ozanich Sound Re-Recording Mixer
Jason Ruder Executive Producer, Executive Music Producer
Jason Oliver ADR Mixer
Eliza Coleman Stunts
Tim Trella Stunts
Ethan Van der Ryn Supervising Sound Editor, Sound Designer
June Carryl Dr. Louise Beatty
Jake Swallow Stunts
Kay Georgiou Hair Designer
Mike Houston Additional Guard
Michael Uslan Executive Producer
Dan O'Connell Foley Artist
Wayne Dalglish Stunts
Mitchell Beck Key Hair Stylist
Troy Fromin E Ward Inmate
Ajgie Kirkland E Ward Inmate
Mark Friedberg Executive Producer, Production Design
John Lacy Arkham Guard
George B. Colucci Jr. Stunts
Lawrence Sher Director of Photography
Geoffrey Haley "C" Camera Operator
Meghan Currier Music Coordinator
Randall Poster Music Supervisor
Gregg Daniel Music Teacher
Jimmy Walker Jr. E Ward Inmate