The Plague of the Zombies - 1966

Sir James Forbes arrives at a remote Cornish village to identify a mysterious plague afflicting the population. A disciple of witchcraft, local squire Charles, is using the voodoo magic to animate the dead to work in his tin that is decrepit and unsafe mines that are shunned by the native public. But his magical relies on human sacrifice and also he unleashes his army of the undead in the village having consequences.