Landis realized this transformed Alex from a love interest into a preordained executioner. He wanted her choice at the end—to be with David, to accept him—to be genuine, not a predestined plot point. The silver bullet rule was dropped entirely, which is why the police use ordinary ammunition in the finale.
Some early TV broadcasts substituted the song "Moondance" by Van Morrison with "Happy Together" by The Turtles during the love scene. An American Werewolf in London (1981) - Trivia - IMDb an american werewolf in london deleted scenes
: The intimate scene between David and Alex (Jenny Agutter) was reportedly toned down and edited to be less graphic for the theatrical release. Production Changes and Rarities Landis realized this transformed Alex from a love
After the attack, David (now in a hospital bed) dreams he is back in a generic American suburban bedroom. He hears giggling. Suddenly, a group of teenage girls—cheerleaders, prom queens—enter. Their faces are blank, doll-like. The tone shifts from playful to terrifying as they surround his bed. They begin to peel off their skin, revealing bloody, grinning skulls and pulsing muscle tissue beneath. They are, in essence, an army of living corpses performing a striptease of gore. Some early TV broadcasts substituted the song "Moondance"