Full Cast & Crew
Top Billed Cast
Full Cast
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)
Crew
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
Special Effects
Bo Gehring
Visual Effects
Domenic Iaia
Visual Effects
Frank Griffin
Makeup Artist
Grant Bassett
Visual Effects
James F. Liles
Visual Effects
Don L. Cash
Makeup Artist
Lee Harman
Makeup Artist
Dione Taylor
Hairdresser
William L. McCaughey
Sound
Ron Hays
Visual Effects
Julie Ann Johnson
Stunts
Terry W. King
Special Effects
Alan Brimfeld
Second Assistant Director
Richard L. Froman
Visual Effects
Jerry Jost
Sound
Jordan Belson
Visual Effects
Bill Butler
Director of Photography
Roger O. Hirson
Screenplay
Jennifer Shull
Casting
Barbara Krieger
Set Decoration
Steven-Charles Jaffe
Associate Producer
Robert Jaffe
Screenplay
Edward C. Carfagno
Production Design
Regina Gruss
Publicist
Ron Hays
Visual Effects