Death Knocks Twice
When private detective Bob Martin looking for a stolen diamond necklace, he also has a clever serial killer on the trail ...
Top Billed Cast
Dean Reed
Bob Martin
Fabio Testi
Francesco di Villaverde
Ini Assmann
Ellen Kent
Leon Askin
Peppe Mangano
Werner Peters
Charly Hollmann
Featured Crew
Harald Philipp
Director
Mario Di Nardo
Screenplay
Claudio Racca
Director of Photography
Piero Umiliani
Original Music Composer
Alfred Srp
Editor
Max Pierre Schaeffer
Story
Sergio Garrone
Screenplay
Gino Santini
Second Unit Director of Photography
Antonio Girasante
Production Manager
Bruno Ariè
Stunt Coordinator
Harald Philipp
Screenplay
Sergio Garrone
Story
Images
