Sorry to have to spell it out like that, but it's so damn easy to confuse these films with cult horror. So, just to be clear, this collection features movies with 'relatively small groups of people having religious beliefs or practices regarded by others as strange or sinister' not films that have 'small but active fan followings'. Savvy?
In 17th-century France, Father Urbain Grandier seeks to protect the city of Loudun from the corrupt establishment of Cardinal Richelieu. Hysteria occurs within the city when he is accused of witchcraft by a sexually repressed nun.
A sheriff investigating the disappearance of a young girl from a small island discovers there's a larger mystery to solve among the island's secretive, neo-pagan community.
A newcomer to a fancy ballet academy gradually comes to realize that the school is a front for something far more sinister and supernatural amidst a series of grisly murders.
The investigation and trial of the horrific Tate-LaBianca mass murders orchestrated by the psychotic pseudo-hippie cult leader, Charles Manson.
Horror thriller set in 17th century England about the children of a village slowly converting into a coven of devil worshipers.
A gang of escaping jewellery thieves get trapped by a coven of witches.
Nearly a year after a botched job, a hitman takes a new assignment with the promise of a big payoff for three killings. What starts off as an easy task soon unravels, sending the killer into the heart of darkness.
Set in Middle America, a group of teens receive an online invitation for sex, though they soon encounter fundamentalists with a much more sinister agenda.
A New York psychiatrist finds that a voodoo cult, which believes in child sacrifice, has a keen interest in his own son.
The Parkers, a reclusive family who follow ancient customs, find their secret existence threatened as a torrential downpour moves into their area, forcing daughters Iris and Rose to assume responsibilities beyond those of a typical family.