Richard Gordon

Joachim Fuchsberger

Acting

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

Siegfried Lowitz

Acting

James

Eddi Arent

Acting

Ella Bennet

Elfie von Kalckreuth

Acting

Ray Bennet

Walter Wilz

Acting

John Bennet

Carl Lange

Acting

Joshua Broad

Dieter Eppler

Acting

Philo Johnson

Jochen Brockmann

Acting

Sir Archibald

Ernst Fritz Fürbringer

Acting

Lolita

Eva Pflug

Acting

Ezra Maitland

Fritz Rasp

Acting

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

Erwin Strahl

Acting

Everett

Ulrich Beiger

Acting

Mills

Michel Hildesheim

Acting

Lady Maggie Farnsworth (German version) /Lady Aubrid Farnsworth (English version)

Charlotte Scheier-Herold

Acting

Lew Brady

Reinhard Kolldehoff

Acting

Inspector Ghent (voice) (uncredited)

Benno Gellenbeck

Acting

Inspektor Genter (German version) /Inspector Higgins (English version) (uncredited)

Werner Hedman

Directing

Voice of Newsreader on Radio (voice) (uncredited)

Günther Jerschke

Acting

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

Holger Munk

Acting

Lord Charles Farnsworth (uncredited)

Olaf Ussing

Acting

(uncredited)

Carl Ottosen

Acting