Police try to track down a hooded serial killer who murders his victims with a combination of acid and poison gas.
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Joachim Fuchsberger
Inspektor Higgins
Uschi Glas
Ann Portland
Grit Boettcher
Betty Falks
Siegfried Schürenberg
Sir John
Konrad Georg
Keyston
Harry Riebauer
Mark Denver
Tilly Lauenstein
Harriet Foster
Ilse Pagé
Secretary
Siegfried Rauch
Frank Keeney
Claus Holm
Glenn Powers
Günter Meisner
Greaves
Hans Epskamp
Bannister
Heinz Spitzner
Harrison
Jan Hendriks
Brent
Rudolf Schündler
Sergeant Hanfield
