The Fatal Warning (1929)
A Mystery Serial with a Thousand Thrills in Ten Stirring Chapters!
| Release Date: | 1929, February 15 |
| Directors: | Richard Thorpe |
| Countries: | United States of America |
| Production: | Mascot Pictures |
| Cast: | Boris Karloff, Lloyd Whitlock, Martha Mattox, Symona Boniface, Ralph Graves, Helene Costello, Syd Crossley, Phillips Smalley, Thomas G. Lingham, George Periolat |