Archie Andrews (as KJ Apa)
Betty Cooper
Veronica Lodge
Jughead Jones
Hermione Lodge
Cheryl Blossom
Josie McCoy
Alice Cooper
Fred Andrews
Kevin Keller
Tom Keller
Sierra McCoy
Mary Andrews
FP Jones
Penelope Blossom
Melody Valentine (as Asha Bromfield)
Principal Waldo Weatherbee
Cliff Blossom
Valerie Brown
Hal Cooper
Joaquin DeSantos
Polly Cooper
Male Alumni
Moose Mason
Female Alumni
Pop Tate
Alumna (uncredited)
Dance Attendee (uncredited)
South Side Serpent / Student / Football Player (uncredited)