Cast
Christopher Lee
Gregor
Leo Genn
Elliott
Anthony Newlands
Barberini
Heinz Drache
Carl
Eddi Arent
Eddie
Klaus Kinski
Manfred
Margaret Lee
Gina
Suzy Kendall
Natasha
Cecil Parker
Sir John
Victor Maddern
Mason
Crew
John Llewellyn Moxey
Director
Edgar Wallace
Novel
Harry Alan Towers
Writer
Johnny Douglas
Original Music Composer
John Trumper
Editor
Ernest Steward
Director of Photography
Harry Alan Towers
Producer
David Henley
Producer
Werner Jacobs
Director
Frank White
Art Direction
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