Trivia: When the movie was first shown in theaters, the marquee read, "From the director of Animal House...A Different Kind of Animal." This lead many movie patrons to believe that it was another comedy film. People ran out of theaters in terror when they realised it was a horror movie.
Trivia: Makeup artist Rick Baker wanted the werewolf to be bipedal. Director John Landis refused, insisting it had to be a four-legged hound from hell.
Trivia: John Landis wanted to use Cat Stevens song Moon Shadow for the opening credits. Cat Stevens refused because he believes werewolves actually exist.
Trivia: Rick Baker promised John Landis that he would work with him on An American Werewolf in London when John had enough money to make it. After waiting eight years, Rick decided to work on The Howling, another werewolf themed movie. One day, right out of the blue, John called Rick and told him he had finally had the money to make American Werewolf. According to Rick, when he informed John that he was already working on another werewolf movie, John started screaming and swearing at Rick. Rick calmed John down and told him he would still do American Werewolf and leave the werewolves for The Howling to Rob Bottin. Rick has stated that to this day, John has still not forgiven him for working on another werewolf movie.
Trivia: When Jack first appears to David in the hospital as a corpse, Jack takes a piece of toast and eats it. Originally, the toast was supposed to fall out of a hole in Jack's throat but the censors found it too disturbing.
Trivia: In nearly every John Landis film, you can see or hear the phrase "See you next Wednesday." In this film, it's an adult film.
Trivia: When David is in Piccadilly Circus calling home, he speaks to his sister Rachel and asks where Max is. Rachel and Max are the names of director John Landis' children.
Trivia: When David is at the phone booth, he talks with his sister Rachel. He then asks her about his brother Max. Rachel and Max are the names of director John Landis' children.
Trivia: Near the end of the movie when David as a werewolf terrorizes Piccadilly Circus, there is a scene of a man standing in front of a store who is then being knocked backwards and falling through the glass. This is the director himself, John Landis.
Trivia: The episode of "The Muppet Show" (1976) playing on TV during David's nightmare sequence is indeed a real episode but the portion shown on TV was never shown in the US. This is why it has been considered a fake episode and why Miss Piggy and Kermit are credited.
Trivia: John Landis got the idea for the film while working on Kelly's Heroes (1970) as a production assistant in Yugoslavia. While watching a gypsy funeral (where they lace the coffin with garlic so the corpse doesn't come back to haunt everyone) he wondered how a western culture would react to being visited by a dead friend.
Trivia: Because of this film, makeup and industry technological contributions became recognized by the Academy Awards in 1981. This film's visuals earned makeup artist Rick Baker the first ever Academy Award to be bestowed upon a special effects artist.
Trivia: When trying to call home, the telephone number that David Kessler gives the operator (516-472-3402) contains a Long Island, New York area code. It is also an unusual case where an actual phone number is used.
Trivia: The woman who David runs into at the zoo was not told that David Naughton would be nude, just that a man would come out and say something.
Trivia: Only four American work permits were requested of the British government for the production: for director John Landis, makeup artist Rick Baker, and actors David Naughton and Griffin Dunne. The first three work permits were granted by the British government without question. But the British office of Actors' Equity questioned the necessity of a work permit for actor Dunne, claiming that there were already plenty of young American actors living in Great Britain who could portray the role of Jack. It was only when director/screenwriter Landis threatened to rewrite the script and re-title the movie "An American Werewolf in Paris" that the equity office reconsidered the application and granted Dunne his work permit.
Trivia: The final look of the werewolf beast was based on make-up creator Rick Baker's dog Bosko.
Trivia: This is the first film to earn the Academy Award for Best Makeup. That category was created in 1981.
Answer: Traumatic events have a tendency to disrupt the memory - people who have been involved in a car accident, for example, often have no memory of the events leading up to the accident, even though they would obviously have perceived those events at the time. The physical and mental stresses of the werewolf transformation have clearly disrupted David's memories in a similar fashion.
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