Frank Larrabee and his band performed their song "California Lady" in the film after they were coerced by the filmmakers. The film crew and the band were both staying in the local Ramada Inn in Albuquerque where the performance footage was shot.
The original cut of Track of the Moon Beast contained more graphic horror makeup. The camp massacre scene in particular had more gruesome shots of victims. However, this footage was heavily cut down as the film went to television in 1976. The censored television cut of the film is the only one available at this time.
Co-writer Bill Finger is probably best known for his work in the early days of DC Comics, where he co-created the Green Lantern, Batman, Robin, Commissioner Gordon, and most of the key members of Batman's rogue gallery, including his most popular adversary, Joker.
Shot in September 1972, then sat on the shelf for 4 years, looking for a distributor. In the end, it went straight to television.
Star Leigh Drake said in an interview that the film was so problematic that she thought it had never been released. Years later her stepmother told her that she had seen a DVD of Track of the Moon Beast and was surprised to hear that the film had been distributed after all.