Catherine Spaak

Claudia

Jean Sorel

Alberto

Florinda Bolkan

Greta

Gabriella Boccardo

Viola

Gigi Proietti

Pietro

Luigi Casellato

Alberto's friend

Sergio Graziani

Greta's boyfriend

Franco Leo

Viola's friend

Luciano Catenacci

Franco Giornelli

Alberto's brother

Nello Riviè

María Cuadra

Marina

Malisa Longo

Girl in Blue Bikini (uncredited)