A young writer is invited to stay in a religious hostel run by a sinister, manipulative nun who plays deadly psychological games with the inhabitants.
Glenda Jackson
as Sister Geraldine
Claudio Cassinelli
as Rodolfo Solina
Lisa Harrow
as Emilia Contreras
Adolfo Celi
as Father Borelli
Francisco Rabal
as Bishop Marquez
Duilio Del Prete
as Monsignor Salvi
Arnoldo FoĆ
as Monsignor Badensky
Gabriele Lavia
as Prince Ottavio Ranieri d'Aragona
Ely Galleani
as Rodolfo's Girlfriend
Margherita Horowitz
as Queen Ranieri d'Aragona
Fabrizio Jovine
as The Doctor
Lorenzo Terzon
as