In an unnamed English-speaking capitalist land, a young engineer invents inexhaustible giant robots to replace the fragile human workers on high-volume assembly-lines, and soon finds his invention co-opted by the military-industrial complex.
Jim Ripl
Jack Ripl, his brother
Dizer, artist in the music hall
Tom, worker
Field Marshal
Percy Grimm, minister
Young lady with dolls
(uncredited)