When private detective Bob Martin looking for a stolen diamond necklace, he also has a clever serial killer on the trail ...

Top Cast

Dean ReedBob Martin

Fabio TestiFrancesco di Villaverde

Ini AssmannEllen Kent

Leon AskinPeppe Mangano

Werner PetersCharly Hollmann

Riccardo GarroneArmando Locatelli

Mario BregaRiccardo

Hélène ChanelAngela