| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arianne Phillips | Crew | Costume & Make-Up | Costume Design |
 Bill Finger | Crew | Writing | Characters |
 Bob Kane | Crew | Writing | Characters |
 Brian Machleit | Crew | Crew | Stunt Coordinator |
 Bruce Timm | Crew | Writing | Characters |
 David Webb | Crew | Directing | First Assistant Director |
 Emma Tillinger Koskoff | Crew | Production | Producer |
 Francine Maisler | Crew | Production | Casting |
 George Drakoulias | Crew | Sound | Music Supervisor |
 Georgia Kacandes | Crew | Production | Executive Producer, Unit Production Manager |
Gregory Irwin | Crew | Camera | First Assistant "A" Camera |
Jeff Groth | Crew | Editing | Editor |
 Joaquin Phoenix | Crew | Production | Producer |
Kay Georgiou | Crew | Costume & Make-Up | Hair Designer |
 Lawrence Sher | Crew | Camera | Director of Photography |
Lori DeLapp | Crew | Costume & Make-Up | Costume Supervisor |
 Mark Friedberg | Crew | Art | Production Design, Executive Producer |
 Michael Uslan | Crew | Production | Executive Producer |
Nicki Ledermann | Crew | Costume & Make-Up | Makeup Designer |
Noelle King | Crew | Art | Set Designer |
 Paul Dini | Crew | Writing | Characters |
Randall Poster | Crew | Sound | Music Supervisor |
 Scott Silver | Crew | Writing | Writer, Executive Producer |
Steven Morrow | Crew | Sound | Sound Mixer |
 Todd Phillips | Crew | Directing | Director, Producer, Writer |
Alyssa Morgan | Crew | Costume & Make-Up | Makeup Artist |
Jason Ruder | Crew | Crew | Executive Music Producer, Executive Producer |
Joseph Garner | Crew | Production | Producer |
Sarah Contant | Crew | Art | Set Designer |
 Hildur Guðnadóttir | Crew | Sound | Original Music Composer |
Jacqueline Fernandez | Crew | Costume & Make-Up | Makeup Artist |
 Jerry Robinson | Crew | Writing | Characters |
 Brian Kinney | Crew | Costume & Make-Up | Makeup Artist |
Martina Sykes | Crew | Costume & Make-Up | Makeup Artist |
Mitchell Beck | Crew | Costume & Make-Up | Key Hair Stylist |
Michael Thurman | Crew | Art | Set Dresser |
Michael Kaleta | Crew | Sound | Boom Operator |
Ken Haber | Crew | Art | Location Scout |
 Shauna Duggins | Crew | Crew | Stunts |
Nitasha Bhambree | Crew | Crew | Stunts |
Rick Chavez | Crew | Art | Assistant Property Master |
Aaron Hurvitz | Crew | Art | Location Scout |
 Mallory Thompson | Crew | Crew | Stunts |
 Sweet P. Vaughn | Crew | Costume & Make-Up | Makeup Artist |
John Damiani | Crew | Costume & Make-Up | Key Makeup Artist |
Trevor Tavares | Crew | Directing | Second Assistant Director |
Heather Galipo | Crew | Costume & Make-Up | Makeup Artist |
Bryan Mendoza | Crew | Sound | Utility Sound |
Mia Bauman | Crew | Costume & Make-Up | Makeup Artist |
Ryan Robert Howard | Crew | Directing | Second Assistant Director |
Hogan Lee | Crew | Art | Set Designer |
Jessie Bishop | Crew | Costume & Make-Up | Makeup Artist |
John Reynolds | Crew | Camera | Best Boy Grip |
Sydnie Ponic | Crew | Art | Art Direction |
Randy Manion | Crew | Production | Unit Production Manager |
 Bill Smitrovich | Cast | Actor | Judge Herman Rothwax |
 Brendan Gleeson | Cast | Actor | |
 Catherine Keener | Cast | Actress | |
Joaquin Phoenix | Cast | Actor | Arthur Fleck / Joker |
 Ken Leung | Cast | Actor | |
 Sharon Washington | Cast | Actress | Social Worker |
 Steve Coogan | Cast | Actor | |
 Lady Gaga | Cast | Actress | Harleen Quinzel / Harley Quinn |
 Jacob Lofland | Cast | Actor | |
 Leigh Gill | Cast | Actor | Gary |
 Zazie Beetz | Cast | Actress | Sophie Dumond |
 Troy Fromin | Cast | Actor | E Ward Inmate (Troy Larkins) |
 Harry Lawtey | Cast | Actor | |
| Person | Type | Job | Role(s) |
