"A young woman participates (unknowingly) in a satanic ceremony and gets possessed by the spirit of her late father."
Paul Naschy
as Father Adrian Dunning
Maria Perschy
as Patricia Gibson
María Kosty
as Deborah Gibson
Mercedes Molina
as Leila Gibson
Joan Llaneras
as John Gibson
Luis Induni
as Udo
Jordi Torras
as Dr. Lewton Buchanan
Roger Leveder
as Richard Harrington
Marta Avilés
as Sandra
Juan Velilla
as Comisario
Florencio Calpe
as Christian
Dora Santacreu
as Abigail
Esteban Dalmases
as Policía (uncredited)
Jack Taylor
as Father Adrian Dunning (voice)
Juan Bosch
Director
Jordi Gigó
Writer
Screenplay
Story
Alfonso de Lucas
Set Decoration
Art Direction
Francisco Sánchez
Director of Photography
Antonio Ramírez de Loaysa
Editor
Manolita Ponte
Makeup Artist
Alberto Argudo
Original Music Composer
Adolfo Ponte
Hipólita López
Hairstylist
Javier Ferrer
Assistant Camera
