Overview

Police Comissioner Datti is investigating the murder of a female doctor whose murderer seems to be a thirty-fivish year old man. Soon another murder follows: Pianist Robert Dominici's girlfriend is found killed. The killer also challenges Datti on the phone and says he can't be caught since he has a secret which makes him invulnerable. In the meantime the clues seems to point in strange directions...

Cast

Michael York

Robert Dominici

Edwige Fenech

Hélène Martell

Donald Pleasence

Inspector Datti

Mapi Galán

Susanna

Fabio Sartor

Davide

Renato Cortesi

Agent Marchi

Antonella Ponziani

Gloria Datti

Carola Stagnaro

Dr. Carla Pesenti

N/A

Daniele Brado

Dr. Vanni

Caterina Boratto

Robert's Mother

N/A

Lewis E. Ciannelli

Chief Physician

N/A

Renata Dal Pozzo

Agent Corsi