Riverdale, the CW Twin Peaks-ish take on the Archie comics, proved to be so popular the CW renewed it really fast, as we all knew they would. The show returned from hiatus this past week and now the cast KJ Apa, Lili Reinhart, Camila Mendes, Cole Sprouse, Ashleigh Murray, Luke Perry,Mädchen Amick, and Marisol Nichols