Directed by
| George Ridgwell | ||
Writing Credits (in alphabetical order)
| Arthur Conan Doyle | ... | (story) |
| Geoffrey Malins | ... | (writer) (as Geoffrey H. Malins) |
| P.L. Mannock | ... | (writer) |
Edit
See also
Release Dates | Official Sites | Company Credits | Filming & Production | Technical Specs