The Breaking Bad star will play Big Jim, the successful owner of a used car dealership who also serves as a town council member.
The show is about a small New England town that becomes sealed off from the world by an oversized transparent dome, and will follow the citizens' struggle to survive as they try to learn more about the dome and how to get rid of it. It will be produced by Steven Spielberg's Amblin Entertainment.
In November, CBS granted a straight-to-series order of 13 episodes of the sci-fi series. Niels Arden Oplev, who directed the Swedish version of The Girl with the Dragon Tattoo, will helm the first episode. It will be executive produced by King, Neal Baer, Justin Falvey, Darryl Frank, Stacey Snider and Lost's Brian K. Vaughan, who wrote the adaptation, as executive producers.