A Werewolf is a human with the ability to transform into a wolf-like creature on the night of the full moon, often after being placed under a curse through the bite or scratch of another werewolf.
Werewolf (Van Helsing)
Werewolf
for Werewolf in An American Werewolf in London (1981) Remake
Suggested by seagullfish23
Two American college students on a walking tour of Britain are attacked by a werewolf that none of the locals will admit exists.