"In Turin, a priest is killed by the explosion of a candle and Commissioner Santamaria has to unravel the problem."
Marcello Mastroianni
as Salvatore Santamaria
Marie Laforêt
as Chantel (Poiret) Guidi
Yvonne Sciò
as Thea Guidi
Ennio Fantastichini
as Graziano Scalisi
Angela Finocchiaro
as Luigina Pietrobono
Alessandro Haber
as Ingegner Vicini
Max von Sydow
as Arcivescovo di Torino
Emmanuelle Riva
as Professoressa Chaldiny
Sergio Fantoni
as Ingegner Musumanno
Leo Gullotta
as Priotti
Lorenzo Amato
as
Bruno Bilotta
Renato Carpentieri
as Don Pezza
Gabriella Giorgelli
as Romilda
Pierfrancesco Loche
as Orrù
Carlo Monni
Adriana Russo
Tony Sperandeo
Nanni Loy
Director
Carlo Fruttero
Novel
Nicola Piovani
Original Music Composer
Claudio Cirillo
Camera Operator
Franco Lucentini
Franco Fraticelli
Editor
Giuseppe Colombo
Producer