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.
Sherlock Holmes
Dr. Watson
Mrs. Hudson
Inspector Lestrade
Mycroft Holmes
Lord Bellinger - Prime Minister
Sir Trelawney Hope
Lady Hilda Trelawney Hope
Madame Henri Fournaye
Ferguson
Hederly - Hydraulic Engineer
Eduardo Lucas
Miss Mary Morstan
Jacobs - butler
Railway worker
Pitkin - constable
caretaker station at Ayford
Macferson - constable
Smith
Von Bork
Ms. Westerey
Valentine Walter - colonel
Baron von Herling
Sydney Johnson
Projectionist
