Game Of Thrones stars Gwendoline Christie and Charles Dance have been cast in Netflix series The Sandman.The actors will join Tom Sturridge, Vivienne Acheampong, Boyd Holbrook, Asim Chaudhry and Sanjeev Bhaskar in the forthcoming show based on the DC comic book series by Neil Gaiman.The official synopsis for The Sandman reads: “A rich blend of modern myth and dark fantasy in which contemporary fiction, historical drama and legend are seamlessly interwoven, The Sandman follows the people and