Demon Seed (1977): cast, story & where to watch
1977 · Film · ★ 5.9

Released in 1977, Demon Seed is a horror and science fiction film directed by Donald Cammell, running about 94 minutes. “Julie Christie carries the "Demon Seed." Fear for her.” — that tagline sets the tone.
What it’s about. A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.
Who’s in it. Demon Seed stars Julie Christie as Susan Harris, Fritz Weaver as Alex Harris, Gerrit Graham as Walter Gabler and Berry Kroeger as Petrosian, among others.
How it landed. With an audience score of 5.9/10, Demon Seed has drawn a solid, mixed-to-positive response.
Where to watch. In US you can stream it on fuboTV and Chilling and rent or buy it from Amazon Video and Apple TV Store. See the full, country-by-country breakdown on our where to watch Demon Seed page.
If you liked it. Fans of Demon Seed tend to enjoy Psycho, The Silence of the Lambs, The Shining and Alien.
Frequently asked
- Where can I watch Demon Seed (1977)?
- In US, Demon Seed is available to stream on fuboTV and Chilling, and rent or buy from Amazon Video and Apple TV Store. Availability varies by country — check our where-to-watch page for every region.
- Is Demon Seed worth watching?
- Demon Seed holds an audience score of 5.9 out of 10, and is a strong pick if you enjoy horror and science fiction. Reactions are mixed, so it may depend on taste.
- Who stars in Demon Seed?
- Demon Seed stars Julie Christie, Fritz Weaver, Gerrit Graham, Berry Kroeger and Lisa Lu.
- When was Demon Seed released?
- Demon Seed was released in 1977, with a runtime of about 94 minutes.
