Silent Running (1972)

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.

Directed by: Douglas Trumbull

Starring: Bruce Dern, Cliff Potts, Ron Rifkin, Jesse Vint, Mark Persons, Steven Brown

Links: IMDb, Movie posters, Movie stills