‘Riverdale’s Luke Perry Tribute Season Opener To Feature ‘90210’ Cast Mate As Special Guest – Comic-Con DeadlineShannen Doherty Joins ‘Riverdale’ Season 4 in Luke Perry Tribute VarietyShannen Doherty 'Deeply Honored' to Be Cast in Riverdale's 'Beautiful' Tribute to Luke Perry PEOPLE.comShannen Doherty to Guest Star on 'Riverdale': How Her 'Emotional' Role Will Honor Luke Perry (Exclusive) Entertainment Tonight'Riverdale' Showrunner and KJ Apa Share New Details on Show's 'Beautifully-Written' Tribute to Luke Perry TooFabView full coverage on Google News