| Amandla Stenberg | Maddy |
| Nicholas John Robinson | Olly |
| Anika Noni Rose | Pauline |
| Ana de la Reguera | Carla |
| Taylor Hickson | Kayra |
| Danube R. Hermosillo | Rosa |
| Dan Payne | Joe |
| Fiona Loewi | Mae |
| Robert Lawrenson | Mr. Waterman |
| Peter Benson | Dr. Chase |
| Farryn VanHumbeck | Ruby |
| Allison Riley | Officer |
| Marien Eisman | Nurse Janet |
| Valareen Friday | Surf Shop Cashier |
Technical Credits
| Stella Meghie | Director |
| Kami Asgar | Sound/Sound Designer |
| Kristen Leigh Branan | Executive Producer |
| Charisse Cardenas | Production Designer |
| David Clarke | Art Director |
| Elysa Dutton | Producer |
| Galen Fletcher | Production Manager |
| J. Mills Goodloe | Screenwriter |
| Ludwig Göransson | Score Composer |
| Victor Ho | Executive Producer |
| Igor Jadue-Lillo | Cinematographer |
| J. Abel Jimenez | Asst. Director |
| Terry Kalinich | Animator |
| Venus Kanani | Casting |
| Daniel Kobylka | Set Decoration/Design |
| Brad Kvist | Animator |
| Kier Lehman | Musical Direction/Supervision |
| Tiffany Mak | Casting |
| Jorge Martinez | Animator |
| Leslie Morgenstein | Producer |
| Avery Plewes | Costumes/Costume Designer |
| Nancy Richardson | Editor |
| Marcelo Del Rio | Art Director |
| Ryan Hyland | Asst. Director |
| Mary Vernieu | Casting |