The Undying Monster (1942) is a Horror, Mystery film that follows a werewolf prowls around at night but only kills certain members of one family. It seems like just a coincidence, but the investigating Inspector soon finds out that this tradition has gone on for generations and tries to find a link between the werewolf and the family, leading to a frightening conclusion. The Undying Monster is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 5.7 out of 10 from 39 votes. Fans of horror movies may also want to explore similar titles below.