When private detective Bob Martin looking for a stolen diamond necklace, he also has a clever serial killer on the trail ...
Cast
Dean Reed
Bob Martin
Fabio Testi
Francesco di Villaverde
Ini Assmann
Ellen Kent
Leon Askin
Peppe Mangano
Werner Peters
Charly Hollmann
Riccardo Garrone
Armando Locatelli
Mario Brega
Riccardo
Hélène Chanel
Angela
Femi Benussi
Lois Simmons
Renato Baldini
Lionel Simmons
Teodoro Corrà
Rinaldo
Lanfranco Cobianchi
Unknown
Tom Felleghy
Berry
Nadja Tiller
Maria di Villaverde
Anita Ekberg
Sophia Ferretti
Adolfo Celi
"der Professor"
Marlies Petersen
Babsie
Bruno Ariè
Charly's Henchman
Antonietta Fiorito
(credit only)
Crew
Harald Philipp
Director, Screenplay
Sergio Garrone
Screenplay, Story
Mario Di Nardo
Screenplay
Max Pierre Schaeffer
Story
Alfred Srp
Editor
Claudio Racca
Director of Photography
Gino Santini
Second Unit Director of Photography
Piero Umiliani
Original Music Composer
Bruno Ariè
Stunt Coordinator
Antonio Girasante
Production Manager
