When a group of astronomers calculate a star is on a course to slam into Earth, a few days before, it's accompanying planet will first pass close enough to the Earth to cause havoc on land and sea. They set about building a rocket so a few selected individuals can escape to the planet.

• Paramount Pictures
• Richard Derr
• Barbara Rush
• Peter Hansen
• John Hoyt
• Larry Keating
• Rachel Ames
• Stephen Chase
• Frank Cady