NBC's New Post-Apocalyptic Cast Peeks Out From The Wreckage Of Day OneS

Everyone is on pins and needles for Day One, the new end-of-the-world series from Heroes writer/producer Jesse Alexander. What's the mysterious cataclysm that ends the world? Meet the new cast and view behind-the-scenes footage.

The characters are all residents of the same apartment building in Van Nuys, California. After the big boom, the neighbors have to band together to uncover what happened to their world.