This is not a supernatural film as you might expect; it’s a psychological thriller about a devoted husband, Billy Savage married to an unstable wife, Myra. She believes she can channel the spirit of her dead child. To validate her claims to be a powerful medium, She coerces her husband to kidnap a child. She will then help the family and the police to recover the child and thus validate her claim as powerful medium. Outstanding performances by Kim Stanley and Richard Attenborough and a satisfying conclusion make this well worth watching. And for film buffs, a great study in music, atmosphere and camera work.
This is an old-school style gem that without relying on any gimmicks, computer graphics or special effects, is very effective.More info on Internet Movie Database: https://www.imdb.com/title/tt0058557/?ref_=ttmi_tt