Full Credits
22 members

Joachim Fuchsberger
Richard Gordon

Siegfried Lowitz
(Ober-)Inspektor Elk (German version) /(Chief) Inspector Hedge (English version)

Eddi Arent
James

Elfie von Kalckreuth
Ella Bennet

Walter Wilz
Ray Bennet

Carl Lange
John Bennet

Dieter Eppler
Joshua Broad

Jochen Brockmann
Philo Johnson

Ernst Fritz Fürbringer
Sir Archibald

Eva Pflug
Lolita

Fritz Rasp
Ezra Maitland

Erwin Strahl
Sergeant Balder (German version) /Sergeant Barclay (English version)

Ulrich Beiger
Everett
Michel Hildesheim
Mills
Charlotte Scheier-Herold
Lady Maggie Farnsworth (German version) /Lady Aubrid Farnsworth (English version)

Reinhard Kolldehoff
Lew Brady
Benno Gellenbeck
Inspector Ghent (voice) (uncredited)
Werner Hedman
Inspektor Genter (German version) /Inspector Higgins (English version) (uncredited)

Günther Jerschke
Voice of Newsreader on Radio (voice) (uncredited)

Holger Munk
Sgt. Rubby (Sir Archibalds Vorzimmer-Sergeant) (uncredited)

Olaf Ussing
Lord Charles Farnsworth (uncredited)

Carl Ottosen
(uncredited)
15 members
Harald Reinl
Director
Lothar Gündisch
Assistant Director
Egon Eis
Screenplay
Edgar Wallace
Novel
J. Joachim Bartsch
Screenplay
Preben Philipsen
Producer
Helmut Beck
Executive Producer
Werner Hedman
Production Manager
Ernst W. Kalinke
Director of Photography
Willy Mattes
Original Music Composer
Knud Kristensen
Sound
Peter Thomas
Original Music Composer
Erik Aaes
Production Design
Charlotte Flemming
Costume Design
Margot Jahn
Editor