30 mins | Crime | March 1, 1923
30 mins | Crime | March 1, 1923
| Producers | Stoll Picture Productions |
| Original title | The Stone of Mazarin |
| Directors | George Ridgwell |
| Writers | P.L. Mannock, Geoffrey Malins, Arthur Conan Doyle |
as Sherlock Holmes
as Dr. John Watson
as Insp. Gregory
as Count Sylvinus
as Merton