

"Julie Christie carries the "Demon Seed." Fear for her."
A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife.
Susan Harris

Alex Harris

Walter Gabler

Petrosian

Soong Yen

Cameron

Royce

Mokri

Warner

Mrs. Talbert

Amy
Marlene

Baby

Baby
Night Operator
Technician
Technician

Joan Kemp
Scientist

Housekeeper
Proteus IV (voice) (uncredited)
