Sherlock Holmes and the Secret Weapon

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)

Edward T. Lowe Jr.

Screenplay

Roy William Neill

Director

Scott Darling

Screenplay

Arthur Conan Doyle

Story

Edmund L. Hartmann

Screenplay

Frank Skinner

Original Music Composer

Otto Ludwig

Editor

Lester White

Director of Photography