Isle of the Snake People (1971)

When Capt. Pierre Labiche travels from Paris to a remote island, he escorts Miss Anabella Vandenberg to the police station, where he meets the reckless Lt. Andrew Wilhelm. They travel to the estate of the wealthy Karl van Molder, where they introduce themselves to Karl. Anabella is Karl's niece who is visiting him to ask for contributions from her uncle to the International Anti-Saloon League. Labiche's agenda is to stop the practice of voodoo and cannibalism by zombie women on the island by the followers of the evil priest Damballah; however, Karl advises Labiche to not interfere with the rites of the local population, but he decides to go on with his intentions anyway. Will Labiche succeed in his intentions? And who is Damballah?