The Sign of Four: Sherlock Holmes' Greatest Case
- Año: 1932
- País: United Kingdom
- Género: Misterio, Suspense, Romance, Crimen, Acción
- Estudio: Associated Talking Pictures (ATP)
- Palabra clave: sherlock holmes
- Director: Graham Cutts
- Emitir: Arthur Wontner, Isla Bevan, Ian Hunter, Graham Soutten, Herbert Lomas, Gilbert Davis