I'm pretty sure that Fred MacMurray and Marjorie Main stared in this movie together.
It was one of Marjories first movies that introduced her into the Ma & Pa series.
Fred is supposed to be a government agent that is looking for aa families wood burning alcohol still.
What he finds, is that the family has been effected by Radiation, and they glow in the dark. especially their pets.
The movie is set in Tenn or something like that. Way back in the woods, somewhere near a swamp.
I've reviewed both MacMurray and Mains movie bio's.
Can't seem to locate this movie though .
email Jenorth@optonline.net if you know this one.
thanks.