Romina Power
— Lorena Vivaldi
Al Bano
— Carlo Carrera
Linda Christian
— Laura Vivaldi
Nino Taranto
— Physics Teacher
Franco Franchi
— Franco Sparapaoli
Ciccio Ingrassia
— Ciccio
Antonella Steni
— Fine Arts Teacher
Loretta Goggi
— Giulia Cantini
Carlo Giordana
— Giorgio Castelli
Hélène Chanel
— Ivana Vannucci
Vincenzo Crocitti
— Pupil
Consalvo Dell'Arti
— Father of Giorgio
Enzo Maggio
— School attendant
Fulvio Mingozzi
— Father of Lorena
Enrico Montesano
— Francesco Alessandroni
Mirella Pamphili
— Attilia
Carlo Taranto
— Giacomo
Nella Gambini
— Cristina