This film version was released before the premiere of the full two-part television version (The Adventures of Sherlock Holmes and Dr. Watson: The Twentieth Century Approaches). In this version the entire plot of the story Bruce-Partington Drawings was deleted.
as Sherlock Holmes
as Dr. Watson
as Mrs. Hudson
as Inspector Lestrade
as Mycroft Holmes
as Lord Bellinger - Prime Minister
as Sir Trelawney Hope
as Lady Hilda Trelawney Hope
as Madame Henri Fournaye
as Ferguson
as Hederly - Hydraulic Engineer
as Eduardo Lucas
as Miss Mary Morstan
as Jacobs - butler
as Railway worker
as Pitkin - constable
as caretaker station at Ayford
as Macferson - constable
as Smith
as Von Bork
as Ms. Westerey
as Valentine Walter - colonel
as Baron von Herling
as Sydney Johnson
as Projectionist
