You'll Find Out
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.
Cast
Kay KyserHimself
Peter LorreProfessor Karl Fenninger
Boris KarloffJudge Spencer Mainwaring
Bela LugosiPrince Saliano
Helen ParrishJanis Bellacrest
Dennis O'KeefeChuck Deems
Alma KrugerAunt Margo BellacrestJoseph EggentonJurgen
Ginny SimmsHerself
Harry BabbittHimself
M.A. BogueIsh Kabibble
Sully MasonHimself
Mary BovardMary (uncredited)
Jeff CoreyMr. Corey (uncredited)
Louise CurrieMarion (uncredited)
