The Pyx
The Pyx, also known as The Hooker Cult Murders and La Lunule (French: The Moon), is a 1973 Canadian horror film directed by Harvey Hart and starring Karen Black, Christopher Plummer, Donald Pilon, and Jean-Louis Roux.
Source: Wikipedia, The Pyx. Text licensed CC BY-SA 4.0. Not endorsed by or affiliated with Wikipedia or the Wikimedia Foundation.