Death Knocks Twice

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

Director: Harald Philipp

Cast: Dean Reed, Fabio Testi, Ini Assmann, Leon Askin, Werner Peters, Riccardo Garrone, Mario Brega, Hélène Chanel

Audience-only score — full critic data not yet in the ReelXO vault.