You'll Find Out
Comedy
Horror
Romance
Music
Mystery
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.
1940-11-22
en
Cast
Director
David Butler
Kay Kyser as Himself
Peter Lorre as Professor Karl Fenninger
Boris Karloff as Judge Spencer Mainwaring
Bela Lugosi as Prince Saliano
Helen Parrish as Janis Bellacrest
Dennis O'Keefe as Chuck Deems
Alma Kruger as Aunt Margo Bellacrest
Ginny Simms as Herself
Harry Babbitt as Himself
M.A. Bogue as Ish Kabibble
Sully Mason as Himself
Mary Bovard as Mary (uncredited)
Jeff Corey as Mr. Corey (uncredited)
Louise Currie as Marion (uncredited)
Bess Flowers as Lady In Taxi (uncredited)
Eleanor Lawson as Ms. Gaby Lawson (uncredited)
Frank Mills as Cabbie (uncredited)
Dorothy Moore as Penny (uncredited)
Leonard Mudie as Real Karl Fenninger (uncredited)
Frank O'Connor as Apartment Responder (uncredited)