George Hilton

Inspector Luca Peretti

William Berger

Giorgio Canavese

Marilù Tolo

Dr. Anna Borgese

Patty Shepard

Paola Rossi, the teacher

Piero Lulli

Alessandro Moroni

Helga Liné

Mrs. Paradisi

Dante Maggio

Mattia Guardapelle

Dana Ghia

Eleonora Moroni

Mónica Randall

Carla Moroni

Lara Wendel

Stefania Moroni (as Daniela Rachele Barnes)

Sergio Mendizábal

Rag. Civitelli

Sofia Dionisio

Servant at Moroni's home

Luigi Antonio Guerra

Postman witness

Enzo Fiermonte

Jib crane owner

Pietro Ceccarelli

Giorgio Canavese's Bodyguard (uncredited)

Remo De Angelis

Mario Ansuini (uncredited)

Giuseppe Marrocco

Policeman in the Ansuini Crime Scene (uncredited)