1. This Island Earth 1955 - Faith Domergue and Rex Reason. Great story, decent special effects
2. Forbidden Planet 1956 - Walter Pigeon, Anne Francis. A real classic
3. Moon - 2009 -Sam Rockwell, Kevin Spacey. Very simple but gripping story
4. Outland - 1981. Sean Connery Frances Sternhagen - High Noon on one of Jupiter's moons but better.
5. War of the Worlds 1953. The Classic and still good - Gene Barry and Ann Robinson
The article is about underrated films. The ones you list are not underrated.
Outland - 1981. Sean Connery Frances Sternhagen - High Noon on one of Jupiter’s moons but better. Great Movie! Sternhagen was outstanding!