An American Werewolf in London (1981)

An American Werewolf in London (1981) is a horror-comedy film directed by John Landis. It is renowned for its groundbreaking special effects and unique blend of humor and horror, becoming a classic in the genre.
The film follows two American backpackers, David Kessler (played by David Naughton) and Jack Goodman (Griffin Dunne), who are traveling through England. After a chance encounter with a werewolf on the Yorkshire moors, David wakes up in a hospital, only to learn that Jack has been killed in the attack. As David begins to experience strange transformations during the full moon, he grapples with his new identity as a werewolf.