Inspektor Higgins
Joachim Fuchsberger
Ann Portland
Uschi Glas
Greaves
Günter Meisner
Bannister
Hans Epskamp
Harrison
Heinz Spitzner
Brent
Jan Hendriks
Sergeant Hanfield
Rudolf Schündler
Cress Bartling
Narziß Sokatscheff
Dr. Shinewood
Tilo von Berlepsch
Carrington
Kurt Waitzmann
Mary Houston
Suzanne Roquette
June Bell
Susanne Juhnke
Betty Falks
Grit Boettcher
Mildred Miller
Inge Sievers
Pam Walsbury
Ewa Strömberg
Busschaffner
Bruno W. Pantel
Winston Robson
Kurt Buecheler
Dr. Cabble
Wilhelm Vorwerg
Sir John
Siegfried Schürenberg
Keyston
Konrad Georg
Mark Denver
Harry Riebauer
Harriet Foster
Tilly Lauenstein
Secretary
Ilse Pagé
Frank Keeney
Siegfried Rauch
Glenn Powers
Claus Holm
Novel
Edgar Wallace
Music
Martin Böttcher
Director
Alfred Vohrer
Producer
Horst Wendlandt
Screenplay
Harald G. Petersson
Director of Photography
Karl Löb
Herbert Reinecker
Editor
Jutta Hering