Death Knocks Twice (1969)

Drama
Thriller

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

Cast

Bob Martin
Francesco di Villaverde
Maria di Villaverde
Sophia Ferretti
"der Professor"
Charly's Henchman
Ellen Kent
Peppe Mangano
Charly Hollmann
Armando Locatelli
Riccardo
Lois Simmons
Lionel Simmons

Crew

Director of Photography
Second Unit Director of Photography
Stunt Coordinator
Original Music Composer
Production Manager
Screenplay