Eraldo Turra
— Cris (as Gemelli Ruggeri)
Luciano Manzalini
— Ivano (as Gemelli Ruggeri)
Anita Zagaria
— Marzia Perrier
Sabina Guzzanti
— Anna
Emilia Della Rocca
— Mother
Felice Farina
— Professor Perrier
Piero Natoli
— Dr. Sacchetti
Rodolfo Corsato
— Anna's boyfriend
Remo Remotti
— Potato seller
Claudio Spadaro
— Pizzaiolo
Osvaldo Alzari
— Construction worker
Rosa Di Brigida
— Cleaning lady