
The terrifying truth about flying saucers!
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.
John Zaremba
Prof. Kanter

Paul Frees
Alien (voice)

Frank Wilcox
Alfred Cassidy
Sydney Mason
Frank the garage man

Larry J. Blake
Motorcycle cop

Bert Stevens
Air Intelligence Command Officer

Forbes Murray
Military Officer at Experiment

Arthur Tovey
Officer/Civilian at Military Conference
Alan Wells
Major Kimberly
Nicky Blair
Military Officer at Experiment (uncredited)