![You'll Find Out Poster](https://image.tmdb.org/t/p/w500//sREbJfTyqo579pzngGhkwjX7nIf.jpg)
You'll Find Out
54.00%
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November 22, 1940
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Comedy, Horror, Romance, Music, Mystery
The manager of Kay Kyser’s band books them for a birthday party bash for an heiress at a spooky mansion, where sinister forces try to kill her.
Featured Crew
David Butler
Story
David Butler
Director
James V. Kern
Story
Cast
![Kay Kyser](https://image.tmdb.org/t/p/w300//aF5ByBNRREcTWirhpIoKKBuDYhp.jpg)
Kay Kyser
Himself
![Peter Lorre](https://image.tmdb.org/t/p/w300//hgum7XGkYgiJ8jkFr4MC03PCnD4.jpg)
Peter Lorre
Professor Karl Fenninger
![Boris Karloff](https://image.tmdb.org/t/p/w300//fVi0QkiziavXB8HnWk5NzRcnCO1.jpg)
Boris Karloff
Judge Spencer Mainwaring
![Bela Lugosi](https://image.tmdb.org/t/p/w300//fwimu7WKcaJXIjaDwYQg42GxUxa.jpg)
Bela Lugosi
Prince Saliano
![Helen Parrish](https://image.tmdb.org/t/p/w300//8K1mhvRuSjSszx0R5pOwXvXgioG.jpg)
Helen Parrish
Janis Bellacrest