You'll Find Out (1940) - (Movie Clip) Mysterious Struggle Between Light And Shadow

On a stormy evening after Kay Kyser’s gig at the pre-wedding party, singer Ginny Simms, manager/groom Chuck (Dennis O’Keefe) and his girlfriend, the hostess Janis (Helen Parrish) get a surprise from heretofore benevolent family friend judge Mainwaring (Boris Karloff) and unexpected professor Fenninger (Peter Lorre), in the horror-comedy You’ll Find Out, 1940.