cast
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Antonio Sabàto
Commissioner Fernando Solmi
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Luciana Paluzzi
Inspector Giovanna Nunziante
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Enrico Maria Salerno
Police Chief Carraro
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Gabriele Ferzetti
Professor Andrea Icardi
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Elio Zamuto
Professor Giacometti
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Ettore Manni
Enrico Tummoli
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Marino Masé
Franz Hekker - 'Francesco Pagano'
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Bedy Moratti
Emilia Icardi
- Adriana Fiore Stripper
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Franco Ressel
Gynaecologist
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Margherita Horowitz
Antonietta - Icardi's maid
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Tino Bianchi
Police Commissioner
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Valentino Macchi
Petrol Station Attendant
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Andrea Lala
Marshall Attardi
- Benedetto Benedetti
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Mario Erpichini
Minister Mordini
- Anna Mirafiore
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Adriano Amidei Migliano
Dog team leader
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Attilio Dottesio
Forensic Doctor
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Ida Di Benedetto
House Madam
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Leila Durante
Nurse (as Leila Ducci)
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Gloria Piedimonte
Carla
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Andrea Scotti
Head of Scientific Team
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Fernando Cerulli
Morgue Watchman
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Fulvio Mingozzi
Police Inspector
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Salvatore Billa
Man in the city
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Adriana Falco
Fiorella Icardi
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Ilona Staller
Prostitute
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Nestore Cavaricci
Policeman (uncredited)