On screen
Cast
23 credited performers
Farley Granger
Inspector Capuana
Sylva Koscina
Barbara Capuana
Silvano Tranquilli
Paolo Santangeli
Annabella Incontrera
Franca Santangeli
Chris Avram
Professor Casali
Sandro Pizzochero
Roberto
Krista Nell
Renata
Angela Covello
Bettina Santangeli
Fabrizio Moresco
Piero
Artwork unavailable
Andrea Scotti
Gianni
Artwork unavailable
Irene Pollmer
Giannina
Luciano Rossi
Gastone
Ivano Staccioli
The Liar
Artwork unavailable
Nino Foti
Character not listed
Jessica Dublin
Rossella
Artwork unavailable
Paul Oxon
Mauro
Philippe Hersent
The Questor
Nieves Navarro
Lilly
Femi Benussi
Serena
Artwork unavailable
Bruno Boschetti
Policeman
Benito Stefanelli
Lilly's husband
Luigi Ciavarro
Character not listed
Artwork unavailable
Milla Johansson
The first victim (uncredited)