It's boring to talk to a corpse

There's a monster roaming around northern England. American David survives a werewolf attack, but according to a friend, Jack, who is caught up in a limbo between life and death, David will become a lycanthrope himself when the moon is full. Directed by John Landis in 1981 and it's still pretty funky and cool. And you realize its importance once you've read some trivia of the film (first film to earn the Academy Award for Best Make-up, John Landis' personal favorite film of his own, influential to Michael Jackson's Thriller video, and so on).