Charlie Chan's Greatest Case Charlie Chan's Greatest Case Charlie Chan's Greatest Case (1933) is an American pre-Code murder mystery film starring Warner Oland as the Oriental detective Charlie Chan. It was based on the Earl Derr Biggers novel "The House Without a Key" (1925). Oland made a series of Charlie Chan films; along with three others, this one is considered to be a lost film. "The New York Times" reviewer wrote, "As far as the mystery of these particular murders is concerned it is not difficult for the audience to decide on the identity of the slayer, but the manner in which Chan makes
Mr. Wong (fictional detective) "The Mysterious Mr. Wong". The sixth Mr. Wong film featured Chinese-American actor Keye Luke in the title role, the first time an American sound film used an Asian actor to play a lead Asian detective. Luke had formerly played one of Charlie Chan's sons in the Chan mysteries and Kato in "The Green Hornet" 1939 serial. In the reboot of the Mr. Wong series, the young "Jimmy Wong" (Luke) was introduced to Police Captain Street, whom Karloff's character worked with in the previous films. A 1940 article, "Keye Luke Sleuths on his Own", in the "Hollywood Citizen News", announced that