K.J. Apa Archie Andrews Actor Lili Reinhart Betty Cooper Actor Camila Mendes Veronica Lodge Actor Cole Sprouse Jughead Jones Actor Madelaine Petsch Cheryl Blossom Actor Casey Cott Kevin Keller Actor Skeet Ulrich F.P. Jones Actor Mädchen Amick Alice Cooper Actor Vanessa Morgan Toni Topaz Actor Charles Melton Reggie Mantle Actor Drew Ray Tanner Fangs Fogarty Actor Erinn Westbrook Tabitha Tate Actor Karl Walcott Clay Guest Star Ashleigh Murray Josie McCoy Guest Star Roberto Aguirre-Sacasa Executive Producer Greg Berlanti Executive Producer Sarah Schechter Executive Producer Jon Goldwater Executive Producer Kevin Rodney Sullivan Director Ariana Jackson Writer Evan Kyle Writer