El Signo de los Cuatro: El Caso Más Grande de Sherlock Holmes

Arthur Wontner

Sherlock Holmes

Isla Bevan

Mary Morstan

Ian Hunter

Dr. John Watson

Graham Soutten

Jonathan Small

Herbert Lomas

Maj. John Sholto

Gilbert Davis

Det. Insp. Atherly Jones

Margaret Yarde

Mrs. Smith

Roy Emerton

The Tattooed Man

Mr. Burnhett

Tattoo Artist

Charles Farrell

Funfair Patron

Clare Greet

Mrs. Hudson

Moore Marriott

Mordecai Smith

Edgar Norfolk

Capt. Morstan

Kynaston Reeves

Bartholomew Sholto

Ernest Sefton

Barrett

Togo

Tonga

Miles Malleson

Thaddeus Sholto

Arthur Conan Doyle

Novel

Rowland V. Lee

Production Supervisor

Robert De Grasse

Director of Photography

Ernest Irving

Music

Graham Cutts

Director

Otto Ludwig

Editor

W.P. Lipscomb

Screenplay

Basil Dean

Producer

Robert Martin

Director of Photography

Clifford Pember

Art Direction