"A scientist creates Proteus, an organic supercomputer with artificial intelligence which becomes obsessed with human beings, and in particular the creator's wife."
Julie Christie
as Susan Harris
Fritz Weaver
as Alex Harris
Gerrit Graham
as Walter Gabler
Berry Kroeger
as Petrosian
Lisa Lu
as Soong Yen
Larry J. Blake
as Cameron
John O'Leary
as Royce
Alfred Dennis
as Mokri
Davis Roberts
as Warner
Patricia Wilson
as Mrs. Talbert
Dana Laurita
as Amy
Michelle Stacy
as Marlene
Felix Silla
as Baby
Tiffany Potter
E. Hampton Beagle
as Night Operator
Michael Glass
as Technician
Barbara O. Jones
Monica MacLean
as Joan Kemp
Peter Elbling
as Scientist
Georgie Paul
as Housekeeper
Robert Vaughn
as Proteus IV (voice) (uncredited)
Donald Cammell
Director
Herb Jaffe
Producer
Jerry Fielding
Original Music Composer
Dean R. Koontz
Novel
Frank Mazzola
Editor
Edward Teets
Assistant Director
Tom Fisher
Special Effects
John Riordan
Sound Editor
Glen Robinson
Bo Gehring
Visual Effects
Domenic Iaia
Frank Griffin
Makeup Artist
Grant Bassett
James F. Liles
Don L. Cash
Lee Harman
Dione Taylor
Hairdresser
William L. McCaughey
Sound
Ron Hays
Julie Ann Johnson
Stunts
Terry W. King
Alan Brimfeld
Second Assistant Director
Richard L. Froman
Jerry Jost
Jordan Belson
Bill Butler
Director of Photography
Roger O. Hirson
Screenplay
Jennifer Shull
Casting
Barbara Krieger
Set Decoration
Steven-Charles Jaffe
Associate Producer
Robert Jaffe
Edward C. Carfagno
Production Design
Regina Gruss
Publicist