 |
Eille Norwood as Sherlock Holmes |
 |
Hubert Willis as Dr. John Watson |
 |
Malcolm Tod as Cadogan West |
|
Lewis Gilbert as Mycroft Holmes |
|
Teddy Arundell as Insp. Stanley Hopkins |
|
Leslie Brittain as Sidney Johnson |
|
Edward Sorley as Hugh Oberstein |
|
Ronald Power as Col. Valentine Walter |
| Directing | George Ridgwell | Director |
| Writing | Geoffrey Malins | Writer |
| Writing | Arthur Conan Doyle | Novel |
| Writing | Patrick L. Mannock | Writer |
