Earth vs. the Flying Saucers (1956)

Earth vs. the Flying Saucers
Action, Science Fiction
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
Directed By
Fred F. Sears