You'll Find Out

Kay Kyser

as

Himself

Peter Lorre

as

Professor Karl...

Boris Karloff

as

Judge Spencer ...

Bela Lugosi

as

Prince Saliano

Helen Parrish

as

Janis Bellacre...

Dennis O'Keefe

as

Chuck Deems

Alma Kruger

as

Aunt Margo Bel...

Joseph Eggenton

as

Jurgen

Ginny Simms

as

Herself

Harry Babbitt

as

Himself

M.A. Bogue

as

Ish Kabibble

Sully Mason

as

Himself

Mary Bovard

as

Mary (uncredit...

Jeff Corey

as

Mr. Corey (unc...

Louise Currie

as

Marion (uncred...

Bess Flowers

as

Lady In Taxi (...

Jeanne Houser

as

Jean (uncredit...

Richard Kipling

as

Script Man (un...

Eleanor Lawson

as

Ms. Gaby Lawso...

Larry McGrath

as

Apartment Comp...

Frank Mills

as

Cabbie (uncred...

Mimi Montaye

as

Mimi (uncredit...

Dorothy Moore

as

Penny (uncredi...

Leonard Mudie

as

Real Karl Fenn...

Joseph North

as

Servant (uncre...

Frank O'Connor

as

Apartment Resp...

Beulah Parking...

as

Mother (uncred...

Jane Patten

as

Jane (uncredit...

Eugenia Rafee

as

French Maid (u...

William Telaak

as

Mac (uncredite...

Joan Warner

as

Joan (uncredit...

Guy Webster

as

Infant (uncred...

Mary Martha Wo...

as

Georgia (uncre...