 Gypsy-Rose BlanchardSelf | Self |
| DDee Dee BlanchardSelf (archive footage) | Self (archive footage) |
| RRod BlanchardSelf - Gypsy's Father | Self - Gypsy's Father |
| KKristy BlanchardSelf - Gypsy's Stepmother | Self - Gypsy's Stepmother |
| JJim ArnottSelf - Sheriff | Self - Sheriff |
| DDavid BlanchardSelf - Gypsy's Neighbor (archive footage) | Self - Gypsy's Neighbor (archive footage) |
 Michelle DeanSelf - Freelance Journalist | Self - Freelance Journalist |
| MMarc FeldmanSelf - Munchausen Expert | Self - Munchausen Expert |
| BBernard FlaterstenSelf - Pediatric Neurologist | Self - Pediatric Neurologist |
| NNicholas GodejohnSelf - Gypsy's Boyfriend (archive footage) | Self - Gypsy's Boyfriend (archive footage) |
| CCharles GoldhammerSelf - Nick's Stepfather (archive footage) | Self - Nick's Stepfather (archive footage) |
| SStephanie GoldhammerSelf - Nick's Mother (archive footage) | Self - Nick's Mother (archive footage) |
| CCalvin HoldenSelf - Judge (archive footage) | Self - Judge (archive footage) |
| LLinda OngSelf - Reporter | Self - Reporter |
| DDan PattersonSelf - Prosecutor | Self - Prosecutor |
