Trivia: Brenda Fricker is only 12 years older than her on-screen son, Sir Daniel Day-Lewis.
Trivia: During one take of a fight scene between Dr. Sam Loomis and Michael Myers, Donald Pleasance accidentally broke Don Shanks' nose.
Trivia: There is a scene where the camera slowly pans, facing the floor of a grocery store, until we see a pile of newspapers waiting to be sold with the headlines describe a heat wave invading the city. This shot reportedly took weeks to film to get the proper lighting.
Trivia: Mollie's father was played by Louis Heckerling, father of the film's director Amy Heckerling.
Trivia: Wes Craven originally intended for "Shocker" to become a franchise, with Horace Pinker becoming the next big slasher-star. However, the studio wasn't happy with the film's mediocre box office returns, and a sequel was never made.
Trivia: The film is also widely known as "The McPherson Tape." However, this was never the official title, and is seemingly based on a misconception since the film was often circulated without the title attached in the 90s. Regardless, this incorrect title became so well-known that the film's 2020 Blu-Ray by American Genre Film Archive (AGFA) contains a double-sided cover... one with the correct title "U.F.O. Abduction," and the other with the misnomer title "The McPherson Tape."
Trivia: Sean Connery plays Dustin Hoffman's father in the movie, even though in real life he's only seven years older than Hoffman.
Trivia: Chevy Chase has a scene with actor Geoffrey Lewis in this film. The same year, Chevy played Juliette Lewis' dad in Christmas vacation...who is Geoffrey's real life daughter.
Trivia: There is a scene where we get a look at the neighborhood around Bob's house. We see an elderly lady sweeping her front porch, glancing suspiciously at Bob. That lady is Ruthie, and she owned the house on North Greenwich Avenue used for most of the interior shots. The porch she is sweeping is at the house across the street from hers.
Trivia: A great deal of the film was actually shot in Japan, and it was reportedly very difficult on the cast and crew. The cost to film in Japan was very high, and the shoot was highly restricted, causing frequent issues. The original cinematographer even left production because he became too frustrated by the experience. Filming was eventually moved to the US to combat these issues.
Trivia: Both Mimi Lesseos and Jean Kirkland who star in the movie are actual wrestlers, they wrestled as Magnificent Mimi and Black Venus for the AWA, WWF, and LPWA.
