Michael Landon later wrote and directed I Was a Middle Aged Werewolf (1987), S4 E5 of Highway to Heaven (1984), in which the angel Jonathan Smith turns himself into a werewolf to scare off some bullies. When Smith and his friend Mark Gordon watch this film on TV, Mark tells Jonathan, "You know, this guy in the movie reminds me a lot of you. I mean, when he's a regular guy, not when he's got fuzz all over his face."
Made for just $150,000. The film went on to gross over $2 million.
This is one of the most successful films ever released by American International Pictures.
American International Pictures rushed out three similar films in hopes of capitalizing on this film's success, which were I Was a Teenage Frankenstein (1957), Blood of Dracula (1957), and How to Make a Monster (1958).
Appears in the two-part TV miniseries It (1990) as the film that the kids are watching in the theater.