An American Werewolf in London (1981)

Two American college students on a walking tour of Britain are attacked by a werewolf that none of the locals will admit exists. - Murray Chapman

Two American college students are on a walking tour of Britain and are attacked by a werewolf. One is killed, the other is mauled. The werewolf is killed but reverts to its human form, and the local townspeople are unwilling to acknowledge its existence. The surviving student begins to have nightmares of hunting on four feet at first but then finds that his friend and other recent victims appear to him, demanding that he commit suicide to release them from their curse, being trapped between worlds because of their unnatural deaths. - John Vogel

Two American friends David & Jack and taking a walking holiday through Northern England and are attacked by a Werewolf . Jack is ripped to shreds and David survives but is badly scarred. David wakes up a week later in a hospital in London and is upset to hear of his friends passing. He begins to have nightmares and visions of running wild through the woods. He becomes very close to one of the nurses, Alex, and when discharged he stays with her in her flat in London. He begins to get a visit from his dead friend Jack who warns him that he will become a Werewolf at the next full moon and must take his own life. Thinking he's crazy he ignores all of Jacks warnings. Sure enough he transforms when the moon is full and goes on a murderous rampage through London. - Rob Higgins

David and Jack, two American college students, are backpacking through Britain when a large wolf attacks them. David survives with a bite, but Jack is brutally killed. As David heals in the hospital, he's plagued by violent nightmares of his mutilated friend, who warns David that he is becoming a werewolf. When David discovers the horrible truth, he contemplates committing suicide before the next full moon causes him to transform from man to murderous beast. - Jwelch5742