Karin Dor as Claridge Dorsett

Harry Riebauer as Inspector Jeff Mitchell

Ingmar Zeisberg as Judy

Walter Giller as Lord Edgar Blackmoor

Rudolf Fernau as Lucius Clark

Hans Nielsen as Tavish

Dieter Eppler as Anthony, the butler

Hans Reiser as Mike Pierce

Richard Häussler as Dr. Tromby

Albert Bessler as Gärtner Sebastian

Peter Nestler as Tom

Gerhard Hartig as Watson

Carl de Vogt as Doctor

Stephan Schwartz as Philip 'Phips'

Werner Schott as

Egon Vogel as (uncredited)