Arthur Wontner

Sherlock Holmes

Ian Fleming

Dr. John Watson

Minnie Rayner

Mrs. Hudson

Leslie Perrins

Ronald Adair

Jane Welsh

Kathleen Adair

Norman McKinnel

Prof. Robert Moriarty / Col. Henslowe

William Fazan

Thomas Fisher

Sydney King

Tony Rutherford

Philip Hewland

Inspector Lestrade

Gordon Begg

Marston, the butler