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Police detective Paolo Germi and the mysterious Marisa meet each other at a dance hall. Germi is unsuspecting of the secret Marisa is carrying with her: adverse conditions forced her into prostitution. As Germi finds the young girl brutally murdered, he decides to go after her killers. During his investigation, he enters a world of intrigue and obfuscation that leave an endless trail of blood.
Keywords
prostitute
italian
detective
investigation
murder
giallo
Casts

Claudio Cassinelli
Paolo Germi

Patrizia Castaldi
Marisa

Mel Ferrer
Police superintendent

Massimo Girotti
Gaudenzio Pesce

Lia Tanzi
Carmella

Gianfranco Barra
Teti

Adolfo Caruso
Giannino

Jenny Tamburi
Gloria

Carlo Alighiero
Chief S.M.C.D. office
Franco Alpestre
Il Menga

Fiammetta Baralla
Landlady

Barbara Magnolfi
Floriana

Vezio Natili
Pesce's Friend (uncredited)

Aldo Massasso

Roberto Posse
Carlotta Wittig
Crews

Sergio Martino
Director

Ernesto Gastaldi
Story

Ernesto Gastaldi
Screenplay

Luciano Martino
Producer

Luciano Michelini
Original Music Composer

Giancarlo Ferrando
Director of Photography

Raimondo Crociani
Editor
Riccardo Domenici
Set Decoration
Elio Micheli
Costume Design

Sergio Martino
Screenplay
Elio Micheli
Production Design

Pietro Innocenzi
Production Manager

Michele Massimo Tarantini
First Assistant Director
Tiziana De Nora
Second Assistant Director
Marisa Calia
Script Supervisor
Mario Van Riel
Makeup Artist
Alfonso Cioffi
Hairstylist

Claudio Morabito
Camera Operator
Salvatore Bella
Camera Operator
Bernardo Valli
Camera Operator
Antonio Minutolo
Assistant Camera
Fabio Conversi
Assistant Camera
Roberto Petrozzi
Sound
Massimo Mariani
Boom Operator
Beniamino Sterpetti
Unit Manager
Massimo Civilotti
Unit Manager
Marcello Tagliaferri
Production Secretary
Vittorio Biffani
Still Photographer
Paolo Innocenzi
Assistant Production Design
Lidia Pascolini
Assistant Editor
Stefano Testa
Assistant Editor
Valerio Ferri
Administration
Backdrops & Posters





