The Beast of Yucca Flats

The Beast of Yucca Flats is a 1961 B-movie horror film. The film stars Swedish former wrestler Tor Johnson as the Beast. A Soviet scientist named Joseph Jaworsky, who defects and flees to a Nevada Test Site called Yucca Flats, only to be turned into a mindless monster by atomic radiation, stalking the desert.

A defecting Soviet scientist is hit by a nuclear explosion near Yucca Flats and roams around as a beast.