

You'll Find Out
Visit website5.4/10 • 23
1940-11-22 • 1h 37m
A Cold-Shiver MYSTERY With Hot-Rhythm MUSIC!
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.
- Directors
- David Butler
- Editors
- Irene Morra

You'll Find Out
Visit website1940-11-22 • 1h 37m
5.4/10 • 23
A Cold-Shiver MYSTERY With Hot-Rhythm MUSIC!
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.
- Directors
- David Butler
- Editors
- Irene Morra
Top Billed Cast
View CreditsKay Kyser
Himself
Peter Lorre
Professor Karl Fenninger
Boris Karloff
Judge Spencer Mainwaring
Bela Lugosi
Prince Saliano
Helen Parrish
Janis Bellacrest
Dennis O'Keefe
Chuck Deems
Alma Kruger
Aunt Margo Bellacrest
Joseph Eggenton
Jurgen
Ginny Simms
Herself
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- Status
- Released
- Original Language
- English
- Budget
- --
- Revenue
- --
- Keywords
- birthday partybandleaderbig bandold mansion