Anita Ekberg
Sister Gertrude
Joe Dallesandro
Dr. Patrick Roland
Alida Valli
Mother Superior
Massimo Serato
Dr. Poirret
Daniele Dublino
Director
Paola Morra
Sister Mathieu
Lou Castel
Peter
Laura Nucci
Baroness
Alice Gherardi
Nurse
Sofia Lusy
Janet
Nerina Montagnani
Josephine
Maria Sofia Amendolea
Brunello Chiodetti
Sister Gertrude's Lover
Enzo Spitaleri
Lee De Barriault
Ileana Fraia
Florence
Antonietta Patriarca
Franco Caracciolo
Priest in Confessional
Chicca Thomas
Manlio Pierotti
Lesly Thomas
Aldo De Franchi
Carolyn De Fonseca
Sister Gertrude (voice) (uncredited)