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 in the Secret Service the inventor of a highly advanced torpedo. Aiding Chan is his overeager but dull-witted Number Three son Tommy (Benson Fong) and his Number Two Daughter Iris Chan (Marianne Quon). Also involved in the case is the bumbling and easily frightened Birmingham Brown (Mantan Moreland) who works as a limo driver for one of the suspects. 20th Century Fox stopped making Charlie Chan films in 1941. In May 1943 Monogram Pictures announced they had purchased the rights to the character from Fox and would make two Charlie Chan films a year. Sidney Toler would reprise his performance as Chan. Keye Luke