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 |
| Crew | Ray Lykins | Stunts |
| Sound | Malte Bieler | Sound Designer |
| Sound | Jack Cucci | Foley Mixer |
| Sound | John T. Cucci | Foley Artist |
| Sound | Russell Farmarco | Dialogue Editor |
| Sound | Russell Farmarco | ADR Editor |
| Sound | Dan Gamache | Sound Designer |
| Sound | Jeanne Gilliland | Boom Operator |
| Sound | Tavish Grade | Foley Mixer |
| Sound | Jon Greasley | Dialogue Editor |
| Sound | Darren Maynard | Sound Effects Editor |
| Sound | John-Paul Natysin | Boom Operator |
| Sound | Jason Oliver | ADR Mixer |
| Sound | Dan O'Connell | Foley Artist |
| Sound | Mikel Parraga-Wills | Foley Mixer |
| Sound | Ethan Van der Ryn | Supervising Sound Editor |
| Sound | Ethan Van der Ryn | Sound Designer |
| Art | Karen O'Hara | Set Decoration |
| Art | Lauren Baker | Set Dresser |
| Art | Matt Boucard | Set Dresser |
| Art | Jeremy Cisneros | Set Dresser |
| Art | Mason Chesler | Graphic Designer |
| Art | Wylie Griffin | Assistant Art Director |
| Crew | Amanda Hagy | Scenic Artist |
| Art | Damon Hahn | Set Dresser |
| Art | Stephanie Higgins Frey | Art Department Coordinator |
| Art | Klara Jogalla | Art Department Assistant |
| Art | J.P. Jones | Property Master |
| Art | Maciej Kuciara | Concept Artist |
| Art | David Mauch | Set Dresser |
| Costume & Make-Up | Merdyce McClaran | On Set Dresser |
| Writing | Todd Phillips | Original Film Writer |
| Writing | Scott Silver | Original Film Writer |
| Art | John McElroy | Props |
| Costume & Make-Up | Stephen McGlade | On Set Dresser |
| Art | Marilyn Morgan-Mouneu | Props |
| Art | David Nardoni | Assistant Set Decoration |
| Crew | Tanicia Osuch | Scenic Artist |
| Art | Kristina Parsons | Props |
| Art | Dennis Richardson | Construction Foreman |
| Art | Joel Ruiz | Set Dresser |
| Art | Jessica Santisteban | Set Dresser |
| Art | Jeff Shewbert | Construction Coordinator |
| Art | Justin Simonetti | Set Dresser |
| Art | Benjamin Kimball Smith | Set Dresser |
| Art | Jake Spongberg | Set Dresser |
| Art | Hanna Woltz | Set Dresser |
| Art | Jane Wuu | Set Designer |
| Lighting | Carolina Acero | Lighting Technician |
| Visual Effects | Praveen Allu | Digital Compositor |
| Visual Effects | Jorge Arista | Digital Compositor |
| Visual Effects | Abdullah Azizi | Visual Effects Coordinator |
| Visual Effects | Romero Benitez | Visual Effects Coordinator |
| Visual Effects | Ashleigh Biller | Visual Effects Coordinator |
| Visual Effects | Marlon Victor Bondoc | VFX Artist |
| Visual Effects | Anwei Chen | Visual Effects Producer |
| Visual Effects | Samuel Côté | VFX Artist |
| Visual Effects | Sydney Erbez | Visual Effects Coordinator |
| Crew | Jason Howey | CG Supervisor |
| Visual Effects | Thippabathula Shiva | Visual Effects Supervisor |
| Crew | David Armstrong | Stunts |
| Editing | Jill Bogdanowicz | Other |
| Lighting | Rafael E. Sánchez | Gaffer |
| Camera | Geoffrey Haley | Camera Operator |
| Crew | George B. Colucci Jr. | Stunts |
| Camera | Colin Anderson | Steadicam Operator |
| Camera | Colin Anderson | "A" Camera Operator |
| Crew | Chris Barnes | Stunts |
| Visual Effects | Ivan Moran | Visual Effects Supervisor |
