Uncle Was a Vampire (1959)
Baron Osvaldo Lambertenghi is forced to sell his ancestral castle, staying on as a bellboy when it's converted into a hotel. However he becomes vampirized when his mysterious uncle comes to stay.
Baron Osvaldo Lambertenghi is forced to sell his ancestral castle, staying on as a bellboy when it's converted into a hotel. However he becomes vampirized when his mysterious uncle comes to stay.