"A private detective and a girl obsessed with thriller novels investigate the murder of a rich entrepreneur."
Tino Scotti
as Andreanovic / Zanzara
Giovanna Ralli
as Rina
Franca Marzi
as Carmen
Carlo Romano
as commissario Benni
Galeazzo Benti
as giornalista
Nerio Bernardi
as Tullio Vallera
Mara Berni
as cameriera all'hotel
Carlo Delle Piane
as Pippo
Charles Fawcett
as mister Brown
Alessandro Fersen
as Cesare Rovelli
Guglielmo Inglese
as proprietario Hotel Santiago
Beniamino Maggio
as guardiano del garage
Alberto Sorrentino
as fotografo
Peter Trent
as Roberto Astorri
Maria Zanoli
as signora coi cagnolini
Katyna Ranieri
as Dory Martin
Achille Togliani
as Self
Mario Amendola
Screenplay
Ruggero Maccari
Story
Gábor Pogány
Director of Photography
Ovidio Del Grande
Sound
Gino Fanano
Production Secretary
Ettore Scola
Franco Lolli
Production Design
Euclide Santoli
Makeup Artist
Mario Capriotti
Assistant Camera
Maria Parenti
Script Supervisor
Carlo Veo
Guglielmo Garroni
Camera Operator
Antonietta Zita
Editor
Fabio De Agostini
First Assistant Director
Mario Damiani
Production Manager
Pippo Barzizza
Conductor
Domenico Bologna
Carlo Caiano
Producer
Adriana Berselli
Costume Design
Luigi Pinini
Unit Manager
Luciano Momi
Umberto Momi
Mario Caiano
Second Assistant Director
Tito Salesi
Original Music Composer
Sergio Grieco
Director
