An American occult novelist battles to save the soul of a young girl from a group of Satanists, led by an excommunicated priest, who plan on using her as the representative of the Devil on Earth.
Richard Widmark
as John Verney
Christopher Lee
as Father Michael
Nastassja Kinski
as Catherine
Honor Blackman
as Anna
Denholm Elliott
as Henry Beddows
Michael Goodliffe
as George de Grass
Eva Maria Meineke
as Eveline de Grass
Anthony Valentine
as David
Derek Francis
as Bishop
Izabella Telezynska
as Margaret
Constantine Gregory
as Kollde (as Constantine De Goguel)
Anna Bentinck
as Isabel
