Directed by
| George Ridgwell | ||
Writing Credits
| Arthur Conan Doyle | ... | (short story "The Adventure of the Speckled Band" from volume "The Adventures of Sherlock Holmes") |
| Geoffrey Malins | ... | (writer) (as Geoffrey H. Malins) |
| P.L. Mannock | ... | (writer) |
Cast (in credits order)
| Eille Norwood | ... | Sherlock Holmes | |
 |
Hubert Willis | ... | Dr. John Watson |
|
|
Lewis Gilbert | ... | Dr. Grimsby Roylott |
|
|
Cynthia Murtagh | ... | Helen Stoner |
|
|
Henry Wilson | ... | The Baboon |
|
|
Mme. d'Esterre | ... | Mrs. Hudson |
