The Boy Who Cried Werewolf (1973) (en)

The Boy Who Cried Werewolf Download - Little Richie Bridgestone (whose parents are divorced) goes to spend the weekend with his father at his secluded mountain cabin, and witnesses his father being attacked by 'a creature' that the boy recognizes as a werewolf. He spends the rest of the film trying to convince his mother, and his therapist that his father is now a werewolf.