“The Walking Dead” star Scott Wilson (who plays Hershel Green) lost a leg in Episode 1 of the show’s third season after being bitten by a “walker.” But he got it back just in time (purposefully grabbing his right leg) to serve, along with his wife Heavenly, as grand marshal in Saturday’s Light Up Senoia Christmas parade. The down-to-earth veteran actor and Georgia native prior to the parade spoke about the hospitality and kindness shown by Senoia residents to the cast and crew of America’s top-rated cable television show. Senoia (or is it Woodbury?) late Saturday afternoon became ground zero for a different kind of “walker,” those who, again this year, filled the one-of-a-kind city for the annual “light up” festivities. Photo/Ben Nelms.