You'll Find Out (1940) is a Comedy, Horror, Romance, Music, Mystery film that follows 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. You'll Find Out is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.6 out of 10 from 27 votes. Fans of comedy movies may also want to explore similar titles below.