Death Knocks Twice

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

CAST

Dean ReedBob Martin

Fabio TestiFrancesco di Villaverde

Ini AssmannEllen Kent

Leon AskinPeppe Mangano

Werner PetersCharly Hollmann

Riccardo GarroneArmando Locatelli

Mario BregaRiccardo

Hélène ChanelAngela

Femi BenussiLois Simmons

Renato BaldiniLionel Simmons

Teodoro CorràRinaldo

Lanfranco Cobianchi

Tom FelleghyBerry

Nadja TillerMaria di Villaverde

Anita EkbergSophia Ferretti