16-year-old Maria is forced into Serra D'Aires convent, secretly run by Satanists.
| Actor | Role |
|---|---|
 Susan HemingwayMaria Rosalea Coutinho | Maria Rosalea Coutinho |
 Ana ZanattiMother Alma, the Grand Priestess | Mother Alma, the Grand Priestess |
 William BergerFather Vicente | Father Vicente |
 Herbert FuxSatan | Satan |
 Vítor MendesAntónio Fernando Queiroz de Melo | António Fernando Queiroz de Melo |
 Herman JoséManuel Gonçalves | Manuel Gonçalves |
 José VianaThe Grand Inquisitor | The Grand Inquisitor |
 Aida VargasJoanna, a Nun | Joanna, a Nun |
 Aida GouveiaAntónia, a Nun | Antónia, a Nun |
| CClara MarabutoJosefina, a Nun | Josefina, a Nun |
| PPatricia Da SilvaMaria's Mother | Maria's Mother |
 Victor de SousaInquisitor's Aid | Inquisitor's Aid |
 Nicolau BreynerPrince's Aid | Prince's Aid |
 Esther StuderNovice Nun | Novice Nun |
| DDagmar BürgerNovice Nun | Novice Nun |