You'll Find Out poster

Movie

You'll Find Out

Released: November 22, 1940 (1940)

Runtime: 97 minutes

Genres: 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.

Main Cast (Top 10 billed, oldest first)

Alma Kruger as Aunt Margo Bellacrest
Age at release: 69
Joseph Eggenton as Jurgen
Age at release: 69
Bela Lugosi as Prince Saliano
Age at release: 58
Boris Karloff as Judge Spencer Mainwaring
Age at release: 52
Peter Lorre as Professor Karl Fenninger
Age at release: 36
Kay Kyser as Himself
Age at release: 35
Dennis O'Keefe as Chuck Deems
Age at release: 32
Harry Babbitt as Himself
Age at release: 27
Ginny Simms as Herself
Age at release: 25
Helen Parrish as Janis Bellacrest
Age at release: 17

Show more cast

Eleanor Lawson as Ms. Gaby Lawson (uncredited)
Age at release: 64
Frank O'Connor as Apartment Responder (uncredited)
Age at release: 59
Leonard Mudie as Real Karl Fenninger (uncredited)
Age at release: 57
Larry McGrath as Apartment Complainer (uncredited)
Age at release: 52
Frank Mills as Cabbie (uncredited)
Age at release: 49
William Telaak as Mac (uncredited)
Age at release: 42
Bess Flowers as Lady In Taxi (uncredited)
Age at release: 41
Sully Mason as Himself
Age at release: 34
M.A. Bogue as Ish Kabibble
Age at release: 32
Louise Currie as Marion (uncredited)
Age at release: 27
Jeff Corey as Mr. Corey (uncredited)
Age at release: 26
Mary Bovard as Mary (uncredited)
Age at release: 22
Dorothy Moore as Penny (uncredited)
Age at release: 21
Jeanne Houser as Jean (uncredited)
Age at release: Unknown
Richard Kipling as Script Man (uncredited)
Age at release: Unknown
Mimi Montaye as Mimi (uncredited)
Age at release: Unknown
Joseph North as Servant (uncredited)
Age at release: Unknown
Beulah Parkington as Mother (uncredited)
Age at release: Unknown
Jane Patten as Jane (uncredited)
Age at release: Unknown
Eugenia Rafee as French Maid (uncredited)
Age at release: Unknown