Demon Seed poster
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Demon Seed

5.919771h 34mRMovieHorrorScience Fiction

A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.

DirectorDonald Cammell
WritersRoger O. Hirson·Robert Jaffe
ProducerHerb Jaffe

Where to watch

PlexPlexPluto TVPluto TV
Availability shown for United Kingdom · rights vary by country

Cast · Directed by Donald Cammell

JCJulie Christie
Julie Christie
Susan Harris
FWFritz Weaver
Fritz Weaver
Alex Harris
GGGerrit Graham
Gerrit Graham
Walter Gabler
BKBerry Kroeger
Berry Kroeger
Petrosian
LLLisa Lu
Lisa Lu
Soong Yen
LBLarry J. Blake
Larry J. Blake
Cameron
JO
John O'Leary
Royce
ADAlfred Dennis
Alfred Dennis
Mokri
DRDavis Roberts
Davis Roberts
Warner
PWPatricia Wilson
Patricia Wilson
Mrs. Talbert
DL
Dana Laurita
Amy
MSMichelle Stacy
Michelle Stacy
Marlene

More from Julie Christie · Lead actress

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More from Fritz Weaver · Co-star actor

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More from Donald Cammell · Director

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Demon Seed — streaming FAQ

Which OTT platform streams Demon Seed?

Demon Seed is streaming on Plex and Pluto TV in United Kingdom, and available to rent or buy on Apple TV Store and Amazon Video. It's not currently on Netflix.

Is Demon Seed on Netflix?

No, Demon Seed is not on Netflix in United Kingdom as of October 2026. It's currently on Plex and Pluto TV.

Is Demon Seed on Amazon Prime Video?

Demon Seed isn't included with a Prime Video subscription in United Kingdom, but you can rent or buy it on Amazon Video.

Where can I watch Demon Seed for free?

Demon Seed is available to stream free (with ads) on Plex and Pluto TV in United Kingdom.