David Sheppard
Joanna Merritt
Dr. Van Ness
Dr. Zeitman
Dr. Pierre Elzevir
Mme. Elzevir
Dr. Carter
Maj. Howard
Dr. Hubertus
Dr. Kirby
Helen
Marna
Engle
Dr. Peter Burden
Senator
A mechanical brain is programmed to sabotage the government's secret lab while working on the first space station.