After the entire flora goes extinct, ecologist Lowell maintains a greenhouse aboard a space station for the future with his android companions. However, he rebels after being ordered to destroy the greenhouse in favor of carrying cargo, a decision that puts him at odds with everyone but his mechanical companions.
| Actor | Role |
|---|---|
 Bruce DernFreeman Lowell | Freeman Lowell |
 Cliff PottsJohn Keenan | John Keenan |
 Ron RifkinMarty Barker | Marty Barker |
 Jesse VintAndy Wolf | Andy Wolf |
| MMark PersonsGrey Drone #1 “Dewey” | Grey Drone #1 “Dewey” |
| SSteven BrownOrange Drone #2 “Huey” | Orange Drone #2 “Huey” |
| CCheryl SparksOrange Drone #2 “Huey” | Orange Drone #2 “Huey” |
| LLarry WhisenhuntGreen Drone #3 “Louie” | Green Drone #3 “Louie” |
 Joseph CampanellaNeal - ‘Berkshire’ Captain (voice/uncredited) | Neal - ‘Berkshire’ Captain (voice/uncredited) |
| RRoy EngelAnderson (voice/uncredited) | Anderson (voice/uncredited) |