K.J. Apa Archie Andrews Actor Lili Reinhart Betty Cooper Actor Camila Mendes Veronica Lodge Actor Cole Sprouse Jughead Jones Actor Marisol Nichols Hermione Lodge Actor Madelaine Petsch Cheryl Blossom Actor Ashleigh Murray Josie McCoy Actor Mark Consuelos Hiram Lodge Actor Casey Cott Kevin Keller Actor Skeet Ulrich F.P. Jones Actor Mädchen Amick Alice Cooper Actor Luke Perry Fred Andrews Actor Vanessa Morgan Toni Topaz Actor Charles Melton Reggie Mantle Actor Tiera Skovbye Polly Guest Star Roberto Aguirre-Sacasa Executive Producer, Writer Greg Berlanti Executive Producer Sarah Schechter Executive Producer Jon Goldwater Executive Producer Kevin Rodney Sullivan Director