Sherlock Holmes
Plot: When a couple of scammers hold young Alice Faulkner against her will to discover the whereabouts of letters whose dissemination could cause a scandal affecting the royal family, Sherlock Holmes decides to take over the case. (Considered lost, a copy was found in 2014, in the vaults of the Cinémathèque Française

William Gillette
Ernest Maupain
Marjorie Kay
Edward Fielding
Hugh Thompson
Fred Malatesta
Grace Reals
Edward Arnold
Arthur Conan Doyle