
Plot
An American newcomer to a prestigious German ballet academy comes to realize that the school is a front for something sinister amid a series of grisly murders.
Trailer
Cast

Jessica Harper
Suzy Bannion

Stefania Casini
Sara

Flavio Bucci
Daniel

Miguel Bosé
Mark

Barbara Magnolfi
Olga

Susanna Javicoli
Sonia

Eva Axén
Pat Hingle

Rudolf Schündler
Prof. Milius

Udo Kier
Dr. Frank Mandel

Alida Valli
Miss Tanner

Joan Bennett
Madame Blanc

Margherita Horowitz
Teacher

Jacopo Mariani
Albert

Fulvio Mingozzi
Taxi Driver

Franca Scagnetti
Cook

Renato Scarpa
Prof. Verdegast

Serafina Scorceletti
2nd Cook

Giuseppe Transocchi
Pavlo

Renata Zamengo
Caroline

Alessandra Capozzi
Dancer

Salvatore Capozzi
Dancer

Diana Ferrara
Dancer

Cristina Latini
Dancer

Alfredo Raino
Dancer

Claudia Zaccari
Dancer

Dario Argento
Narrator (voice) (uncredited)

Giovanni di Bernardo
Police Inspector (uncredited)

Daria Nicolodi
Woman at Airport (uncredited)

Marina Pierro
Figurant (uncredited)

Lela Svasta
Helena Markos (uncredited)