You'll Find Out
David Butler1940-11-22
A Cold-Shiver MYSTERY With Hot-Rhythm MUSIC!
5.458
97 min
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.
Cast
| Name | Character | Team | |
|---|---|---|---|
 |
Kay Kyser | Himself | Unowned |
 |
Peter Lorre | Professor Karl Fenninger | Unowned |
 |
Boris Karloff | Judge Spencer Mainwaring | Unowned |
 |
Bela Lugosi | Prince Saliano | Unowned |
 |
Helen Parrish | Janis Bellacrest | Unowned |
 |
Dennis O'Keefe | Chuck Deems | Unowned |
 |
Alma Kruger | Aunt Margo Bellacrest | Unowned |
 |
Joseph Eggenton | Jurgen | Unowned |
 |
Ginny Simms | Herself | Unowned |
 |
Harry Babbitt | Himself | Unowned |
 |
M.A. Bogue | Ish Kabibble | Unowned |
 |
Sully Mason | Himself | Unowned |
 |
Mary Bovard | Mary (uncredited) | Unowned |
 |
Jeff Corey | Mr. Corey (uncredited) | Unowned |
 |
Louise Currie | Marion (uncredited) | Unowned |
 |
Bess Flowers | Lady In Taxi (uncredited) | Unowned |
|
Jeanne Houser | Jean (uncredited) | Unowned |
|
Richard Kipling | Script Man (uncredited) | Unowned |
 |
Eleanor Lawson | Ms. Gaby Lawson (uncredited) | Unowned |
|
Larry McGrath | Apartment Complainer (uncredited) | Unowned |
 |
Frank Mills | Cabbie (uncredited) | Unowned |
|
Mimi Montaye | Mimi (uncredited) | Unowned |
 |
Dorothy Moore | Penny (uncredited) | Unowned |
 |
Leonard Mudie | Real Karl Fenninger (uncredited) | Unowned |
|
Joseph North | Servant (uncredited) | Unowned |
 |
Frank O'Connor | Apartment Responder (uncredited) | Unowned |
|
Beulah Parkington | Mother (uncredited) | Unowned |
|
Jane Patten | Jane (uncredited) | Unowned |
|
Eugenia Rafee | French Maid (uncredited) | Unowned |
|
William Telaak | Mac (uncredited) | Unowned |
|
Joan Warner | Joan (uncredited) | Unowned |
|
Guy Webster | Infant (uncredited) | Unowned |
|
Mary Martha Wood | Georgia (uncredited) | Unowned |