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Feature film — 1940

You'll Find Out (1940)

5.61h 37mComedy — 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.

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A high-signal pick with 28 votes.

RKO Radio Pictures

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Director: David Butler

On screen

Cast & crew

Kay Kyser as Himself

Kay Kyser

Himself

Peter Lorre as Professor Karl Fenninger

Peter Lorre

Professor Karl Fenninger

Boris Karloff as Judge Spencer Mainwaring

Boris Karloff

Judge Spencer Mainwaring

Bela Lugosi as Prince Saliano

Bela Lugosi

Prince Saliano

Helen Parrish as Janis Bellacrest

Helen Parrish

Janis Bellacrest

Dennis O'Keefe as Chuck Deems

Dennis O'Keefe

Chuck Deems

Alma Kruger as Aunt Margo Bellacrest

Alma Kruger

Aunt Margo Bellacrest

J

Joseph Eggenton

Jurgen

Ginny Simms as Herself

Ginny Simms

Herself

Harry Babbitt as Himself

Harry Babbitt

Himself

M.A. Bogue as Ish Kabibble

M.A. Bogue

Ish Kabibble

Sully Mason as Himself

Sully Mason

Himself

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