Roy William Neill
Director
Edward T. Lowe Jr.
Screenplay
Scott Darling
Screenplay
Frank Skinner
Original Music Composer
Edmund L. Hartmann
Screenplay
Arthur Conan Doyle
Story
Scott Darling
Adaptation
Edward T. Lowe Jr.
Adaptation
Jack Otterson
Art Direction
Russell A. Gausman
Set Decoration
Vera West
Costume Design
Richard Hageman
Music
Hans J. Salter
Music
Charles Previn
Music Director
Howard Benedict
Associate Producer
Lester White
Director of Photography
Otto Ludwig
Editor
Basil Rathbone
Sherlock Holmes
Nigel Bruce
Doctor Watson
Lionel Atwill
Professor Moriarty
William Post Jr.
Dr. Franz Tobel
Kaaren Verne
Charlotte Eberli
Dennis Hoey
Inspector Lestrade
Holmes Herbert
Sir Reginald
Mary Gordon
Mrs. Hudson
Harry Cording
Jack Brady (uncredited)
Harold De Becker
Peg Leg (uncredited)
Paul Fix
Mueller (uncredited)
Henry Victor
Professor Frederic Hoffner (uncredited)
John Burton
RAF Officer (uncredited)
Paul Bryar
Swiss Waiter (uncredited)
Whit Bissell
London Bobbie (uncredited)
Rudolph Anders
Braun (uncredited)
Colin Kenny
Scotland Yard Detective (uncredited)
George Burr Macannan
Gottfried (uncredited)
Harry Woods
Kurt (uncredited)
