Warning from Space

Warning from Space is a 1956 Japanese tokusatsu science fiction film directed by Koji Shima. It was written by Hideo Oguni based on Gentaro Nakajima's novel. In the film's plot, starfish-like aliens "Pairan" disguised as humans travel to Earth to warn of the imminent collision of a rogue planet and Earth. As the planet rapidly accelerates toward Earth, a nuclear device is created at the last minute and destroys the approaching world.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.