The Fatal Warning A Mystery Serial with a Thousand Thrills in Ten Stirring Chapters! When a bank executive disappears, he is accused of stealing a fortune from the bank. But his daughter and her criminologist friend set out to find her father and clear his name. Details Casts Galleries Posters Title The Fatal Warning Release Date 1929-02-15 Runtime 03 Hours 20 Minutes Genres Action Adventure Mystery Production Companies Mascot Pictures Production Countries United States of America Helene Costello... Dorothy Rogers... Ralph Graves... Russell Thorne... George Periolat... William Rogers... Phillips Smalley... Leonard Taylor... Boris Karloff... Mullins... Lloyd Whitlock... Norman Brooks... Syd Crossley... Dawson... Thomas G. Lingham... John Harman... Symona Boniface... Marie Jordan... Martha Mattox... Mrs. Charles Peterson... Gertrude Astor... ... Original Size (1323x744) Original Size (1858x2787)