Arthur Fleck zit gevangen in Arkham en is in afwachting van het proces voor de misdaden die hij als Joker heeft begaan. Maar terwijl hij worstelt met zijn gespleten persoonlijkheid, vindt Arthur de liefde en de muziek die altijd al in hem heeft gezeten.
Nee, helaas is Joker: Folie à Deux nog niet beschikbaar op Netflix in Nederland.
| Writing | Bob Kane | Characters |
| Production | Todd Phillips | Producer |
| Writing | Bill Finger | Characters |
| Writing | Jerry Robinson | Characters |
| Production | Emma Tillinger Koskoff | Producer |
| Production | Joseph Garner | Producer |
| Production | Georgia Kacandes | Executive Producer |
| Editing | Jeff Groth | Editor |
| Costume & Make-Up | Mia Bauman | Makeup Artist |
| Directing | Ryan Robert Howard | Second Assistant Director |
| Costume & Make-Up | Heather Galipo | Makeup Artist |
| Production | Georgia Kacandes | Unit Production Manager |
| Costume & Make-Up | Mitchell Beck | Key Hair Stylist |
| Crew | Brian Machleit | Stunt Coordinator |
| Costume & Make-Up | Nicki Ledermann | Makeup Designer |
| Costume & Make-Up | Sweet P. Vaughn | Makeup Artist |
| Costume & Make-Up | Martina Sykes | Makeup Artist |
| Directing | David Webb | First Assistant Director |
| Directing | Travis Rehwaldt | First Assistant Director |
| Costume & Make-Up | Jessie Bishop | Makeup Artist |
| Costume & Make-Up | Brian Kinney | Makeup Artist |
| Production | Randy Manion | Unit Production Manager |
| Costume & Make-Up | John Damiani | Key Makeup Artist |
| Costume & Make-Up | Kay Georgiou | Hair Designer |
| Directing | Trevor Tavares | Second Assistant Director |
| Costume & Make-Up | Jacqueline Fernandez | Makeup Artist |
| Costume & Make-Up | Alyssa Morgan | Makeup Artist |
| Writing | Scott Silver | Writer |
| Writing | Todd Phillips | Writer |
| Directing | Todd Phillips | Director |
| Production | Francine Maisler | Casting |
| Costume & Make-Up | Lori DeLapp | Costume Supervisor |
| Sound | Steven A. Morrow | Sound Mixer |
| Art | Rick Chavez | Assistant Property Master |
| Camera | Gregory Irwin | First Assistant "A" Camera |
| Camera | John Reynolds | Best Boy Grip |
| Camera | Lawrence Sher | Director of Photography |
| Art | Aaron Hurvitz | Location Scout |
| Crew | Jason Ruder | Executive Music Producer |
| Sound | Bryan Mendoza | Utility Sound |
| Sound | Michael Kaleta | Boom Operator |
| Art | Ken Haber | Location Scout |
| Costume & Make-Up | Arianne Phillips | Costume Design |
| Production | Michael Uslan | Executive Producer |
| Production | Mark Friedberg | Executive Producer |
| Sound | Hildur Guðnadóttir | Original Music Composer |
| Art | Hogan Lee | Set Designer |
| Art | Mark Friedberg | Production Design |
| Art | Sydnie Ponic | Art Direction |
| Art | Sarah Contant | Set Designer |
| Art | Noelle King | Set Designer |
| Art | Michael Thurman | Set Dresser |
| Writing | Paul Dini | Characters |
| Writing | Bruce Timm | Characters |
| Production | Jason Ruder | Executive Producer |
| Sound | George Drakoulias | Music Supervisor |
| Production | Scott Silver | Executive Producer |
| Sound | Randall Poster | Music Supervisor |
| Crew | Nitasha Bhambree | Stunts |
| Sound | Erik Aadahl | Supervising Sound Editor |
| Crew | Shauna Duggins | Stunts |
| Art | Jared Patrick Gerbig | Art Direction |
| Crew | Marc Tantin | Special Effects Technician |
| Art | David Meyer | Art Direction |
| Crew | Carson O'Dell | Special Effects |
| Production | David Webb | Co-Producer |
| Production | Firat Averbek | Casting |
| Crew | Matthew Lillis | Special Effects |
| Art | Gordon Stotz | Art Direction |
| Crew | Michael Duenas | Special Effects Technician |
| Crew | Brendon O'Dell | Special Effects Coordinator |
| Crew | Taylor Walters | Special Effects Technician |
| Art | Erica Hohf | Art Direction |
| Art | Dan Webster | Supervising Art Director |
| Crew | Matthew Bouchard | Special Effects Technician |
| Sound | Meghan Currier | Music Coordinator |
| Sound | Lady Gaga | Music Consultant |
| Crew | Mallory Thompson | Stunts |
| Visual Effects | Sylvain Chomet | Animation |
| Production | Pete Chiappetta | Executive Producer |
| Production | Andrew Lary | Executive Producer |
| Production | Anthony Tittanegro | Executive Producer |
| Crew | Michael Arnold | Choreographer |
| Production | Justine Conte | Co-Producer |
| Visual Effects | Beverly Abbott | Visual Effects Producer |
| Crew | Colby Lemmo | Stunt Double |
| Crew | Richard Epper | Utility Stunts |
| Crew | Doug Coleman | Stunts |
| Crew | Eliza Coleman | Stunts |
| Crew | Matt Berberi | Stunt Double |
| Crew | Tim Rigby | Stunts |
| Crew | Declan Mulvey | Stunts |
| Sound | Tom Ozanich | Sound Re-Recording Mixer |
| Sound | Dean A. Zupancic | Sound Re-Recording Mixer |
| Crew | Craig Baxley Jr. | Stunts |
| Crew | James M. Halty | Stunts |
| Crew | Colby Lemmo | Stunts |
| Crew | Brian Simpson | Stunts |
| Crew | Brent Fletcher | Stunts |
| Crew | Ross Kohnstam | Stunts |
| Crew | Brett Smrz | Stunts |
| Crew | John Branagan | Stunts |
| Crew | Wayne Dalglish | Stunts |
| Crew | Andy Gill | Stunts |
| Crew | Daniel Leavitt | Stunts |
| Crew | Rhys Millen | Stunts |
| Crew | Jake Swallow | Stunts |
| Crew | Tim Trella | Stunts |
