Panic in Year Zero!

Panic in Year Zero! is a 1962 post-apocalyptic science fiction film directed by and starring Ray Milland, an Academy Award winning actor from The Lost Weekend, Dial M for Murder and Beau Geste. Also starring are Jean Hagen and Frankie Avalon. The music (by Les Baxter) is a lot of fun.

trailer:


DVDTalk says, "actor-director Ray Milland keeps the dramatic tension high". Moria calls it "a repellent film in most regards" and says,

Along with the British No Blade of Grass (1970) [which I watched here], Panic in Year Zero! represents the libertarian survivalist fantasy at its most brutal.