88 minutes
8/11/1967
Police try to track down a hooded serial killer who murders his victims with a combination of acid and poison gas
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
Tilly Lauenstein
as Harriet Foster
Ilse Pagé
as Secretary
Siegfried Rauch
as Frank Keeney
Claus Holm
as Glenn Powers
Günter Meisner
as Greaves
Hans Epskamp
as Bannister
Heinz Spitzner
as Harrison
Jan Hendriks
as Brent
Rudolf Schündler
as Sergeant Hanfield
Narziß Sokatscheff
as Cress Bartling
Tilo von Berlepsch
as Dr. Shinewood
Kurt Waitzmann
as Carrington
Suzanne Roquette
as Mary Houston
Susanne Juhnke
as June Bell
Inge Sievers
as Mildred Miller
Ewa Strömberg
as Pam Walsbury
Bruno W. Pantel
as Busschaffner
Kurt Buecheler
as Winston Robson
Wilhelm Vorwerg
as Dr. Cabble