My heart just aches for this film. The Unknown comes from director Henry Levin, with a screenplay by Charles O'Neal and Dwight Babcock based on a radio play by Malcolm Boylan and Julian Harmon. It features Karen Morley, Jim Bannon, and Jeff Donnell in the leading roles; Alexander Steinert handled the music, and Henry Freulich was responsible for the cinematography. It’s such a delightful, classic spooky house m…