Trivia / Dracula vs. Frankenstein

• Divorced Installment: Originally planned as a sequel to 1969 biker film Satans Sadists, with Russ Tamblyn and other "bikers" reprising their parts from that film. However, not long after filming began, it was decided to turn it into a horror film instead of a biker picture and much of the footage with Tamblyn and other actors from the first film was cut out. They were unable to cut them completely out of the movie, though, which is why Tamblyn and his biker gang seem to be wandering in and out of the film, with no connection to the story line and with not much to do.