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
Charlie Chan the 1930s and 1940s, five Chan films were produced in Shanghai and Hong Kong. In these films, Chan owns his detective agency and is aided, not by a son, but by a daughter, Manna, played first by Gu Meijun (顾梅君) in the Shanghai productions and then by Bai Yan (白燕) in postwar Hong Kong. Chinese audiences also saw the original American Charlie Chan films. They were by far the most popular American films in 1930s China and among Chinese expatriates; "one of the reasons for this acceptance was this was the first time Chinese audiences saw a positive Chinese character