Credits
Cast
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
Peter Elbling
Scientist
Georgie Paul
Housekeeper
Robert Vaughn
Proteus IV (voice) (uncredited)
Art
Edward C. Carfagno
Production Design
Barbara Krieger
Set Decoration
Camera
Bill Butler
Director of Photography
Costume & Make-Up
Dione Taylor
Hairdresser
Frank Griffin
Makeup Artist
Lee Harman
Makeup Artist
Don L. Cash
Makeup Artist
Crew
Terry W. King
Special Effects
Glen Robinson
Special Effects
Tom Fisher
Special Effects
Julie Ann Johnson
Stunts
Directing
Edward Teets
Assistant Director
Donald Cammell
Director
Alan Brimfeld
Second Assistant Director
Editing
Frank Mazzola
Editor
Production
Steven-Charles Jaffe
Associate Producer
Jennifer Shull
Casting
Herb Jaffe
Producer
Regina Gruss
Publicist
Sound
Jerry Fielding
Original Music Composer
Jerry Jost
Sound
William L. McCaughey
Sound
John Riordan
Sound Editor
Visual Effects
Jordan Belson
Visual Effects
Ron Hays
Visual Effects
James F. Liles
Visual Effects
Bo Gehring
Visual Effects
Grant Bassett
Visual Effects
Richard L. Froman
Visual Effects
Ron Hays
Visual Effects
Domenic Iaia
Visual Effects
Writing
Dean R. Koontz
Novel
Robert Jaffe
Screenplay
Roger O. Hirson
Screenplay