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.
George Worthing Yates | Screenplay |
Fred F. Sears | Director |
Donald E. Keyhoe | Novel |
Curt Siodmak | Screenstory |
Bernard Gordon | Screenplay |
Ray Harryhausen | Visual Effects |
Danny B. Landres | Editor |
Charles H. Schneer | Producer |
Russ Kelley | Special Effects |
J.S. Westmoreland | Sound |