Autopsy Of A Ghost (1968)

aka: Autopsia De Un Fantasma

The story of a mad doctor (Cameron Mitchell) and his weird crazy family, a very skinny woman, two dumb detectives, a ghost (Basil Rathbone), the Devil (John Carradine) and a female robot (Amadee Chabot), among other characters. The ghost is looking for final rest and peace for his soul, but in order to get that he has to make a woman fall in love with him and she also has to die for him. (In Spanish language).