 | Alex Lawther als Billy Bloom |
 | Ian Nelson als Flip |
 | AnnaSophia Robb als Blah Blah Blah |
 | Celia Weston als Florence |
 | Abigail Breslin als Lynette |
 | Bette Midler als Muv |
 | Larry Pine als William |
 | Christopher Dylan White als Bernard |
 | Willa Fitzgerald als Tiffany Tarbell |
 | Michael Park als Principal Onnigan |
 | John McEnroe als Coach Carter |
 | Mickey Sumner als Dr. Veronica Vickers |
 | Wally Dunn als Mr. Reamer |
 | Marceline Hugot als Mrs. Monusky |
 | Charlotte Ubben als Sesame |
 | Olli Haaskivi als Tour Guide |
 | Laverne Cox als Felicia Watts |
 | Anatasiya Garvey als Katya |
 | Eddie Schweighardt als Young Billy |
 | Daniel Bellomy als Bo-Bo |
| Beth Rigazio | Writer |
| Patrick J. Clifton | Writer |
| James St. James | Novel |
| Trudie Styler | Director |
| Dan Romer | Original Music Composer |
| Drew Barrymore | Executive Producer |
| Colleen Atwood | Costume Designer |
| Sarah Laux | Costume Designer |
| Tywan Williams | Key Hair Stylist |
| Kristen Alimena | Key Makeup Artist |
| Anouck Sullivan | Makeup Department Head |
| Jennifer Tremont | Hair Department Head |
| Jeff Robinson | Post Production Supervisor |
| Avy Kaufman | Casting |
| Sarah Flack | Editor |
| Dante Spinotti | Director of Photography |
| Patrice Andrew Davidson | Art Direction |
| Jimena Azula | Set Decoration |
| Bruno Wang | Executive Producer |
| Ivan Wilzig | Executive Producer |
| Franckie Diago | Production Design |
| Ember Truesdell | Producer |
| Charlotte Ubben | Producer |
| Franses Simonovich | Line Producer |
| Trudie Styler | Producer |
| Anita Sumner | Co-Producer |
| Sawsan Asfari | Executive Producer |
| Chris Botti | Co-Producer |
| Christopher S Burke | Associate Producer |
| Jeffrey Coulter | Producer |
| Damon Michael Gordon | Associate Producer |
| Jenny Halper | Executive Producer |
| Nicole Ihasz | Executive Producer |
| Nancy Juvonen | Executive Producer |
| Cathleen Ihasz | Executive Producer |
| Alexandra Kerry | Co-Producer |
| Stephen Mao | Co-Producer |
| Samantha Perelman | Executive Producer |
| Bryan Rabin | Producer |
| Celine Rattray | Producer |
| Bobby Sager | Executive Producer |
| Maya Sanbar | Executive Producer |
| Robert Fernandez-Ferreira | Visual Effects Producer |
| Andreas Alesik | Visual Effects Supervisor |
| Lewis Goldstein | Supervising Sound Editor |
| Lewis Goldstein | Sound Re-Recording Mixer |
| Alex Soto | Sound Effects Editor |
| Andrew Mastronardi | Assistant Sound Editor |
| Allan Zaleski | Dialogue Editor |
| Paddy Hanlon | Sound Mixer |
| Louis Colaianni | Dialogue Coach |
| Alfred DeGrand | Assistant Sound Editor |
