Police try to track down a hooded serial killer who murders his victims with a combination of acid and poison gas.
Release: 1967
Rating: 6.6
Genre: Crime, Thriller, Mystery
Duration: 88 min
Country: Germany
Production: Rialto Film
Joachim Fuchsberger
as Inspektor Higgins
Uschi Glas
as Ann Portland
Grit Boettcher
as Betty Falks
Siegfried Schürenberg
as Sir John
Konrad Georg
as Keyston
Harry Riebauer
as Mark Denver