Claridge Dorsett
Karin Dor
Inspector Jeff Mitchell
Harry Riebauer
Tom
Peter Nestler
Watson
Gerhard Hartig
Doctor
Carl de Vogt
Philip 'Phips'
Stephan Schwartz
Werner Schott
(uncredited)
Egon Vogel
Judy
Ingmar Zeisberg
Lord Edgar Blackmoor
Walter Giller
Lucius Clark
Rudolf Fernau
Tavish
Hans Nielsen
Anthony, the butler
Dieter Eppler
Mike Pierce
Hans Reiser
Dr. Tromby
Richard Häussler
Gärtner Sebastian
Albert Bessler
Producer
Artur Brauner
Screenplay
Ladislas Fodor
Director
Harald Reinl
Director of Photography
Ernst W. Kalinke
Gustav Kampendonk
Costume Design
Irms Pauli
Editor
Walter Wischniewsky
Production Design
Werner Achmann
Novel
Bryan Edgar Wallace
Original Music Composer
Oskar Sala
Assistant Production Design
Sylvia Ponsold
Assistant Director
Charles M. Wakefield
Sound
Erwin Schänzle
Unit Manager
Herbert Maris
Rudolf Gürlich
Line Producer
Eberhard Meichsner