You'll Find Out
November 22, 1940
97 minutes
5.5
ComedyHorrorRomanceMusicMystery

You'll Find Out

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.

Trailer
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))
Bess Flowers
(Lady In Taxi (uncredited))
Jeanne Houser
(Jean (uncredited))
Richard Kipling
(Script Man (uncredited))
Eleanor Lawson
(Ms. Gaby Lawson (uncredited))
Larry McGrath
(Apartment Complainer (uncredited))
Frank Mills
(Cabbie (uncredited))
Mimi Montaye
(Mimi (uncredited))
Dorothy Moore
(Penny (uncredited))
Leonard Mudie
(Real Karl Fenninger (uncredited))
Joseph North
(Servant (uncredited))
Frank O'Connor
(Apartment Responder (uncredited))
Beulah Parkington
(Mother (uncredited))
Jane Patten
(Jane (uncredited))
Eugenia Rafee
(French Maid (uncredited))
William Telaak
(Mac (uncredited))
Joan Warner
(Joan (uncredited))
Guy Webster
(Infant (uncredited))
Mary Martha Wood
(Georgia (uncredited))