Jessica Harper
Suzy Bannion
Acting
Stefania Casini
Sara
Acting
Flavio Bucci
Daniel
Acting
Miguel Bosé
Mark
Acting
Barbara Magnolfi
Olga
Acting
Susanna Javicoli
Sonia
Acting
Eva Axén
Pat Hingle
Acting
Rudolf Schündler
Prof. Milius
Acting
Udo Kier
Dr. Frank Mandel
Acting
Alida Valli
Miss Tanner
Acting
Joan Bennett
Madame Blanc
Acting
Margherita Horowitz
Teacher
Acting
Jacopo Mariani
Albert
Acting
Fulvio Mingozzi
Taxi Driver
Acting
Franca Scagnetti
Cook
Acting
Renato Scarpa
Prof. Verdegast
Acting
Serafina Scorceletti
2nd Cook
Acting
Giuseppe Transocchi
Pavlo
Acting
Renata Zamengo
Caroline
Acting
Alessandra Capozzi
Dancer
Acting
Salvatore Capozzi
Dancer
Acting
Diana Ferrara
Dancer
Acting
Cristina Latini
Dancer
Acting
Alfredo Raino
Dancer
Acting
Claudia Zaccari
Dancer
Acting
Dario Argento
Narrator (voice) (uncredited)
Directing
Giovanni di Bernardo
Police Inspector (uncredited)
Acting
Daria Nicolodi
Woman at Airport (uncredited)
Acting
Marina Pierro
Figurant (uncredited)
Acting
Lela Svasta
Helena Markos (uncredited)
Acting