Test space rockets exploding at liftoff and increased reporting of UFO sightings culminate in a direct attempt by alien survivors of a dead, extra-galactic civilization to invade Earth from impervious flying saucers, using ray-weapons of mass destruction.
Starring Hugh Marlowe, Joan Taylor, Donald Curtis, Morris Ankrum, Thomas Browne Henry, Grandon Rhodes, John Zaremba, Paul Frees, Frank Wilcox, Sydney Mason