Advertised Extra: Betsy Palmer gets top billing, but only appears in the last fifteen minutes of the film.
Contractual Purity: As noted below, Betsy Palmer was known as a squeaky clean goodie two shoes before this film. According to her, after it came out there was an outrage. One critic published her address in the paper and encouraged people to send her hate mail.
Cowboy BeBop at His Computer: When the film was aired on AMC's "DVD on TV" note Something they did in the early 2000's where they'd air a movie in letterbox format with trivia bits airing on the bottom of the screen it featured an interview with Robbi Morgan, who played Annie. After talking about her role in the film, she ended by saying she was honored to be Jason's first victim.note Which is wrong on two levels, because she wasn't even Pamela's first victim; that honor goes to the counselor in the opening
Creator Cameo: Tom Savini doubles for Brenda when her body flies in through the window.
Enforced Method Acting: Ari Lehman, who played Jason was originally intended to only appear in a short flashback of him drowning. But the director decided to have him appear in the end as a surprise. He was instructed not to show anyone the mask he wore for the scene. The shock and fear on Alice's face is genuine.
Money, Dear Boy: Betsy Palmer's only reason to appear was to get cash for a new car.