Alfred Vohrer
Director
Edgar Wallace
Novel
Herbert Reinecker
Screenplay
Ernst W. Kalinke
Director of Photography
Jutta Hering
Editor
Horst Wendlandt
Producer
Martin Böttcher
Music
Harald Leipnitz
Inspektor Craig
Klaus Kinski
Dave Emerson / Richard Emerson
Carl Lange
Dr. Albert Mangrove
Ilse Steppat
Lady Emerson
Hermann Lenschau
Rechtsanwalt Douglas
Diana Körner
Myrna Emerson
Gudrun Genest
Schwester Harris
Albert Bessler
Butler Anthony
Richard Haller
Edward Appleton / Die Blaue Hand
Ilse Pagé
Miss Mabel Finley
Fred Haltiner
Wärter Reynolds
Peter Parten
Robert Emerson
Thomas Danneberg
Charles Emerson
Heinz Spitzner
Richter
Siegfried Schürenberg
Sir John
