From The Grindhouse Cinema Database
- The number of the credited cast is 13, the same number as the coven of witches.
- As a promotional gimmick for the US release of Witchcraft, posters warned the public that: "Only the witch deflector can save you from the eerie web of the unknown." Patrons were told that they could collect their 'witch deflector', a green badge, from the theatre.
- Double-billed with The Horror of It All (1964).