You'll Find Out
“A Cold-Shiver MYSTERY With Hot-Rhythm MUSIC!”
1940•1h 37m•5.6•Released
ComedyHorrorRomanceMusicMystery
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.
Director
David Butler
Writer
James V. Kern
Languages
English
Studio
RKO Radio Pictures
Cast
Kay 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
Harry Babbitt
Himself
M.A. Bogue
Ish Kabibble
Sully Mason
Himself
Mary Bovard
Mary (uncredited)
Jeff Corey
Mr. Corey (uncredited)
Louise Currie
Marion (uncredited)
Production
Company
RKO Radio Pictures
Producer
David Butler
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