The Unholy is a 1988 horror film directed by Camilo Vila and starring Ben Cross and Ned Beatty. It also features Trevor Howard in his final role.
The film was released theatrically in the United States by Vestron Pictures in April 1988. It grossed 6,337,299 at the box office.The movie was released on DVD by Lionsgate in the United Kingdom in 2007. Lionsgate has released this film in 2012 on R1 DVD as part of anhorror film set. ........
Source: Wikipedia