Vittorio Gassman
— Furio Bertuccia
Pamela Tiffin
— Gloria Bianchi
Adolfo Celi
— Marco Tarocchi Roda
Irina Demick
— Signora Tarocchi Roda
Corrado Olmi
— Commissario Monteforte
Tom Felleghy
— Fabris
Carlo Delle Piane
— Ninetto
Carlo Pisacane
— Barbone / Homeless
Laura Antonelli
— Elena (uncredited)
Jacques Stany
— Professor Crescenzi
Pippo Starnazza
— Janitor
Mario De Rosa
— Butler
Aldo De Carellis
— Judge
Graziella Polesinanti
— Second Nurse
Carlo Baccarini
Juan Valejo
Antonio Guidi
Giuseppe Terranova
Paolo Prestano
Augusto Soprani
Gianni Pulone
Gioia Desideri
— First Nurse
Alfonso Giganti
— Waiter at the restaurant (uncredited)