Trivia: When Jason dies at the end of the film, it is not Ray Milland you see but a double. This is due to the fact that Milland quit the film three days early due to his intense hatred of the production.
Trivia: The space ship "Valley Forge" from Silent Running was re-used in one episode of the television series "Battlestar Galactica" (1978-1979). It was called the "agro-ship," used to grow food for the colonists.
