Speaking of an energy crisis— if that energy-sucking alien from outer space had had its way, we'd have been using hand-crank generators back in 1957. Good thing Jeff Morrow (Dr. Gaskell) was around in those days. His strong-jaw cleverness defeated a lot of alien plots— The Creature Walks Among Us (1956), The Giant Claw (1957). Here, he figures out how to zap the zapper, after it stomps all over the Southwest sucking up energy. And he does it in a way that makes all the nonsense seem believable. Should be a place in sci-fi heaven for actor stalwarts like him. Ditto, the great Morris Ankrum (Dr. Stern). No alien epic of the 50's would be complete without his general-president-doctor-professor, or a thousand other expert authority roles. Okay, my hormones require also mentioning Barbara Lawrence who really looks good in a swim suit, even if she hasn't much to do except distract Morrow and a few thousand boozy guys like me at those long ago drive-in's.
Actually, this is a pretty good enemies-from-outer-space flick. Special effects are mostly convincing even if the monster resembles a Lego Land creation, while the smoking-debris final frame looks like a gum wrapper in an ashtray. Director Neumann had an interesting, if erratic, career, piloting such sci-fi classics as Rocketship X-M (1950) and The Fly (1958) and such turkeys as Mohawk (1956) and Son of Ali Baba (1952). I guess he needed something imaginative like science fiction. Anyway, the movie's smoothly done with a few chills and a lot of good 50's fun.