Pierre Clémenti

Giacobbe I and II

Tina Aumont

Salesgirl

Sergio Tofano

Professor Petrushka

Giulio Cesare Castello

Professor Mozzoni

Romano Costa

Clara's father

Antonio Maestri

Professor 'Tre Zampe'

Mario Venturini

Professor

Alessandro Cane

Student

Gianpaolo Capovilla

Student

Ninetto Davoli

Student

Vittorio Fanfoni

Student

Luigi Antonio Guerra

Student

Giuseppe Mangano

Student

Giancarlo Nanni

Student

Stefano Oppedisano

Student

Salvatore Samperi

Student

Umberto Silva

Student

Stefania Sandrelli

Clara