Christopher Lee

Sherlock Holmes

Thorley Walters

Dr. Watson

Hans Söhnker

Moriarty

Hans Nielsen

Cooper

Senta Berger

Ellen

Ivan Desny

Paul

Wolfgang Lukschy

Peter

Leon Askin

Charles

Edith Schultze-Westrum

Mrs. Hudson

Bruno W. Pantel

Auctioneer

Bernard Lajarrige

French

Linda Sini

Prostitute

Roland Armontel

Physician

Franco Giacobini

Collector