You'll Find Out
A Cold-Shiver MYSTERY With Hot-Rhythm MUSIC!
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.
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Cast
Kay KyserHimself
Peter LorreProfessor Karl Fenninger
Boris KarloffJudge Spencer Mainwaring
Bela LugosiPrince Saliano
Helen ParrishJanis Bellacrest
Dennis O'KeefeChuck Deems
Alma KrugerAunt Margo Bellacrest
Joseph EggentonJurgen
Ginny SimmsHerself
Harry BabbittHimself