"16-year-old Maria is forced into Serra D'Aires convent, secretly run by Satanists."
Susan Hemingway
as Maria Rosalea Coutinho
Ana Zanatti
as Mother Alma, the Grand Priestess
William Berger
as Father Vicente
Herbert Fux
as Satan
Vítor Mendes
as António Fernando Queiroz de Melo
Herman José
as Manuel Gonçalves
José Viana
as The Grand Inquisitor
Aida Vargas
as Joanna, a Nun
Aida Gouveia
as Antónia, a Nun
Clara Marabuto
as Josefina, a Nun
Patricia Da Silva
as Maria's Mother
Victor de Sousa
as Inquisitor's Aid
Nicolau Breyner
as Prince's Aid
Esther Studer
as Novice Nun
Dagmar Bürger
Erwin C. Dietrich
Writer
Jesús Franco
Director
Producer
Max Dora
Executive Producer
Walter Baumgartner
Original Music Composer
Peter Baumgartner
Director of Photography
Klaus Kunsemüller
Sound
David Quintans
Art Direction
Marie-Luise Buschke
Editor
Edouard A. Stöckli
Production Manager
Hubertus Schmandtke
Christine Lembach
Dialogue