‘Discworld’ novels, the series follows an unlikely group of misfits who find themselves having to save the city of Ankh-Morpork from a villain. “When I read the scripts, I’d never come across anything like it,” Dormer, 51, tells The Post from his home in Belfast.“It’s very zany and irreverent but a real heartfelt piece of comedy.”Co-starring Matt Berry (“What We Do In the Shadows”) as the voice of a sword named Wayne and Sam Adewunmi (“Doctor Who”) as the nefarious Carcer Dun, the show’s humor