Commissioner Fernando Solmi

Antonio Sabàto

Acting

Inspector Giovanna Nunziante

Luciana Paluzzi

Acting

Police Chief Carraro

Enrico Maria Salerno

Acting

Professor Andrea Icardi

Gabriele Ferzetti

Acting

Professor Giacometti

Elio Zamuto

Acting

Enrico Tummoli

Ettore Manni

Acting

Franz Hekker - 'Francesco Pagano'

Marino Masé

Acting

Emilia Icardi

Bedy Moratti

Acting

Stripper

Adriana Fiore

Acting

Gynaecologist

Franco Ressel

Acting

Antonietta - Icardi's maid

Margherita Horowitz

Acting

Police Commissioner

Tino Bianchi

Acting

Petrol Station Attendant

Valentino Macchi

Acting

Marshall Attardi

Andrea Lala

Acting

Benedetto Benedetti

Writing

Minister Mordini

Mario Erpichini

Acting

Anna Mirafiore

Acting

Dog team leader

Adriano Amidei Migliano

Acting

Forensic Doctor

Attilio Dottesio

Acting

House Madam

Ida Di Benedetto

Acting

Nurse (as Leila Ducci)

Leila Durante

Acting

Carla

Gloria Piedimonte

Acting

Head of Scientific Team

Andrea Scotti

Acting

Morgue Watchman

Fernando Cerulli

Acting

Police Inspector

Fulvio Mingozzi

Acting

Man in the city

Salvatore Billa

Acting

Fiorella Icardi

Adriana Falco

Acting

Prostitute

Ilona Staller

Acting

Policeman (uncredited)

Nestore Cavaricci

Acting