Demon Seed
“Julie Christie carries the "Demon Seed." Fear for her.”
Synopsis
A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
TrailerOfficial
Type: Trailer • Published 2020-03-24
Top Cast
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Julie Christie
Susan Harris
Fritz Weaver
Alex Harris
Gerrit Graham
Walter Gabler
Berry Kroeger
Petrosian
Lisa Lu
Soong Yen
Larry J. Blake
Cameron
John O'Leary
Royce
Alfred Dennis
Mokri
Davis Roberts
Warner
Patricia Wilson
Mrs. Talbert
Dana Laurita
Amy
Michelle Stacy
Marlene
Felix Silla
Baby
Tiffany Potter
Baby
E. Hampton Beagle
Night Operator
Michael Glass
Technician
Barbara O. Jones
Technician
Monica MacLean
Joan Kemp
Release History & Theatrical Window
April 7, 1977
Wide Cinema Exhibition
Key Information & Fast Facts
- Director
- Donald Cammell
- Screenplay & Story
- Roger O. Hirson, Robert Jaffe
- Original Score
- Jerry Fielding
- Original Title
- Demon Seed
- Country of Origin
- United States of America
- Spoken Languages
- English
- Runtime
- 1h 34m
- Production Studios
- Metro-Goldwyn-Mayer
Creative Leadership & Key Crew
Donald Cammell
Roger O. Hirson, Robert Jaffe, Dean R. Koontz
Jerry Fielding
Wilmer Butler
Frank Mazzola
Herb Jaffe
Department Leadership Roster
Donald Cammell
Director
Herb Jaffe
Producer
Jerry Fielding
Original Music Composer
Frank Mazzola
Editor
Wilmer Butler
Director of Photography
Roger O. Hirson
Screenplay
Robert Jaffe
Screenplay
Edward C. Carfagno
Production Design
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
R: Restricted — Under 17 requires accompanying parent or adult guardian.
International Certification Matrix
FSK 16 — Restricted to viewers aged 16 and older.
Restricted — Under 17 requires accompanying parent or adult guardian.
Production Stills & Gallery
Official cinematic photography and background stills for Demon Seed.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring Demon Seed.
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Oct. 2026 Collection: Possessions
These boundary-pushing visions of total takeover examine the terror and transgressive thrill of losing oneself to a host of uncanny forces. Ancient demons (THE OMEN), AI gone rogue (DEMON SEED), alien parasites (LIFEFORCE), and adolescent bloodlust (JENNIFER’S BODY) turn the body into a battleground in tales of physical and psychic invasion that explore the primal anxieties and provocative possibilities of transformation from within.
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Frequently Asked Questions About Demon Seed
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Demon Seed 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 directed Demon Seed?
Demon Seed was directed by Donald Cammell.
Who stars in Demon Seed?
The principal cast of Demon Seed includes Julie Christie, Fritz Weaver, Gerrit Graham, Berry Kroeger, Lisa Lu.
When was Demon Seed released and how long is it?
Demon Seed was released in 1977 with a total runtime of 1h 34m.
Who composed the musical score for Demon Seed?
The original motion picture soundtrack for Demon Seed was composed by Jerry Fielding.
Is Demon Seed based on a book or true story?
Demon Seed is adapted from the following source material: Novel: "Dean R. Koontz".
What is the age rating and content advisory for Demon Seed?
Demon Seed holds official age classifications: DE: 16 (FSK 16 — Restricted to viewers aged 16 and older.); US: R (Restricted — Under 17 requires accompanying parent or adult guardian.).