Riverdale stars K.J. Apa (Archie Andrews) and Luke Perry (Fred Andrews) interview at WonderCon 2017. Apa and Perry discuss their characters relationship . Archie Andrews himself sat down with his dad Fred to discuss their beloved father-son dynamic, the iconic Riverdale love triangles, and Molly Ringwalds . KJ Apa (Archie Andrews) and Luke Perry (Fred Scofield) discuss The CWs Riverdale at Wondercon 2017. Interview with Riverdales K.J. Aha & Luke Perry at 2017 Wondercon! Riverdale stars K.J. Apa (Archie Andrews) and Luke Perry (Fred Andrews) interview at WonderCon 2017. Apa and Perry discuss their characters relationship.