Giovanna Ralli
Asst. DA Vittoria Stori
Claudio Cassinelli
Insp. Silvestri
Mario Adorf
Insp. Valentini
Franco Fabrizi
Bruno Paglia
Farley Granger
Mr. Polvesi
Paolo Turco
Marcello Tosti
Ferdinando Murolo
Sgt. Giardina
Eleonora Morana
Polvesi's Housemaid
Sherry Buchanan
Silvia Polvesi (as Cheryl Lee Buchanan)
Roberta Paladini
Patrizia Valentini
Luigi Antonio Guerra
Reporter
Adriana Falco
Giuliana Bigi
Clara Zovianoff
Mrs. Talenti
Leonardo Severini
Agt. Russo
Bruno Alias
Cop / Reporter (uncredited)
Giancarlo Badessi
Paglia's Lawyer (uncredited)
Francesco D'Adda
Doctor (uncredited)
Attilio Dottesio
Coroner (uncredited)
Giuseppe Marrocco
Cop (uncredited)
Steffen Zacharias
Prof. Beltrame (uncredited)
Luciano Zanussi
Cop (uncredited)
