You'll Find Out
Trailer
Cast
Jeff Corey
Mr. Corey (uncredited)
Lugosi Béla
Prince Saliano
Alma Kruger
Aunt Margo Bellacrest
Frank O'Connor
Apartment Responder (uncredited)
M.A. Bogue
Ish Kabibble
Leonard Mudie
Real Karl Fenninger (uncredited)
Peter Lorre
Professor Karl Fenninger
Kay Kyser
Himself
Sully Mason
Himself
Mary Bovard
Mary (uncredited)
Frank Mills
Cabbie (uncredited)
Ginny Simms
Herself
Louise Currie
Marion (uncredited)
Bess Flowers
Lady In Taxi (uncredited)
Harry Babbitt
Himself
Boris Karloff
Judge Spencer Mainwaring
Helen Parrish
Janis Bellacrest
Dennis O'Keefe
Chuck Deems
Eleanor Lawson
Ms. Gaby Lawson (uncredited)
Dorothy Moore
Penny (uncredited)