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Dr Andrew Cook, inventor of a process for making living replicas of human beings, has unwittingly duplicated himself and becomes a secret weapon in the Solar System's struggle for economic survival against a powerful alien culture, the Sentients.
Featured Crew
| John Gibson | Director |
| Larry Eisenberg | Story |
| Irene Shubik | Producer |
| Hugh Whitemore | Adaptation |
| Norman Kay | Theme Song Performance |
| Norman Kay | Original Music Composer |
| Raymond Cusick | Production Design |
| George Spenton-Foster | Associate Producer |
| Michael Imison | Script Editor |