Spider Baby (1968)

Spider Baby is a 1968 black comedy horror film, written and directed by Jack Hill. It stars Lon Cahney, Jr. as Bruno, the chauffeur and caretaker of three orphaned siblings who suffer from "Merrye Syndrome", which causes them to mentally, socially, and physically regress backwards down the evolutionary ladder starting in early puberty.

1968, B&W, 86 minutes