An occult criminologist investigates a businessman who dabbles in the black arts while trying to survive against a powerful demon and an evil cult.
Robert Culp
as William Sebastian
Gig Young
as Dr. Ham Hamilton
John Hurt
as Mitri Cyon
Gordon Jackson
as Inspector Cabell
Ann Bell
as Anitra Cyon
James Villiers
as Sir Geoffrey Cyon
Majel Barrett
as Lilith
Jenny Runacre
as Sydna
Angela Grant
as Butler
Penny Irving
as First Maid
Vicki Michelle
as Second Maid
Lindy Benson
as Third Maid
