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Demon Seed poster

Movie

Demon Seed

57%Critics28 reviews46%Audience197 reviews

5.8532average critics score, out of 1019771h 34mR

Sci-Fi

Child psychologist Susan Harris (Julie Christie) lives with her husband, Alan (Fritz Weaver), in a home operated by a computer program. When Alan invents Proteus IV, an artificial intelligence system capable of advanced thought, Alan's obsession with technology strains his relationship with Susan. But Susan sees the true power of her husband's invention when Proteus IV takes her hostage in her own home and plans to impregnate her in order to take on a human form.

Directed by:
Donald Cammell

Cast

  • Julie Christie

  • Fritz Weaver

  • Gerrit Graham

  • Berry Kroeger

  • Lisa Lu

Where to watch

Prime VideoApple TV

Details

Runtime
1h 34m

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Details gathered from external sources on October 7, 2026. Scores and 532 votes come from them.