On screen
Cast
21 credited performers
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
Artwork unavailable
Albert Bessler
Butler Anthony
Artwork unavailable
Richard Haller
Edward Appleton / Die Blaue Hand
Ilse Pagé
Miss Mabel Finley
Artwork unavailable
Fred Haltiner
Wärter Reynolds
Artwork unavailable
Peter Parten
Robert Emerson
Thomas Danneberg
Charles Emerson
Heinz Spitzner
Richter
Siegfried Schürenberg
Sir John
Harry Riebauer
Character not listed
Artwork unavailable
Heinrich Gies
Character not listed
Artwork unavailable
Karin Kenklies
Character not listed
Artwork unavailable
Uschi Mood
Character not listed
Artwork unavailable
Günther Notthoff
Character not listed
Artwork unavailable
Otto Czarski
Character not listed