Full cast and crew
Sound
Peter Thomas
original music composer
Editing
Jutta Hering
editor
Camera
Karl Löb
director of photography
Production
Horst Wendlandt
producer
Directing
Alfred Vohrer
director
Writing
Edgar Wallace
novel
Ladislas Fodor
screenplay
Actors
Joachim Fuchsberger
Inspektor Higgins
Siw Mattson
Peggy Ward
Hubert von Meyerinck
Sir Arthur
Wolfgang Kieling
Sir Cecil
Pinkas Braun
Der Fremde
Claude Farell
Adela
Peter Mosbacher
Ramiro
Siegfried Rauch
Dr. Brand
Otto Stern
Mr. Merryl
Lill Lindfors
Sabrina
Renate Grosser
Mrs. Potter
Hans Krull
Mr. Potter
Ilse Pagé
Miss Finley
Edith Schneider
Professor Bound
Wolfgang Spier
Bannister
Ewa Strömberg
Library Clerk
Jimmy Powell
Casper
Eva Ebner
Secretary
Thomas Danneberg
Captain