
You'll Find Out (1940)
Comedy, Horror, Romance, Music, Mystery
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.
Director: David Butler
The 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)
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