 |
Eille Norwood as Sherlock Holmes |
 |
Hubert Willis as Dr. John Watson |
|
Mme. d'Esterre as Mrs. Hudson |
|
Lewis Gilbert as Dr. Grimesby Roylott |
|
Cynthia Murtagh as Helen Stoner |
|
Henry Wilson as The Baboon |
| Writing | Geoffrey Malins | Writer |
| Directing | George Ridgwell | Director |
| Writing | Артур Конан Дойль | Novel |
| Writing | Patrick L. Mannock | Writer |
