Joey King

Character: Elle Evans

Joel Courtney

Character: Lee Flynn

Jacob Elordi

Character: Noah Flynn

Molly Ringwald

Character: Mrs. Flynn

Stephen Jennings

Character: Mike Evans

Carson White

Character: Brad Evans

Meganne Young

Character: Rachel

Frances Sholto-Douglas

Character: British Beauty

Nathan Lynn

Character: Yearbook Guy

Byron Langley

Character: Warren

D. David Morin

Character: School Principal

Dan Elijah Rudin

Character: Sneezer

Jessica Sutton

Character: Mia

Michelle Allen

Character: Multi-Pierced Girl

Joshua Daniel Eady

Character: Tuppen

Judd Krok

Character: Ollie

Chase Dallas

Character: Noah Flynn (Age 13)

Celina Caroto

Character: Blonde Popular Girl

Ben Lillie

Character: Geek

Megan du Plessis

Character: Shelly 'Elle' Evans (Age 4)

Caitlyn de Abrue

Character: Shelly 'Elle' Evans (Age 7)

Juliet Blacher

Character: Shelly 'Elle' Evans (Age 11)

Morné Visser

Character: Mr. Flynn

Hilton Pelser

Character: Barry

Zandile Madliwa

Character: Gwyneth

Bianca Bosch

Character: Olivia

Trent Rowe

Character: Biggest Geek in School

Chloe Williams

Character: Joni Evans

Sanda Shandu

Character: Randy

Waldemar Schultz

Character: Mr. Lewis

Evan Hengst

Character: Council President

Robbie Tucker

Character: (uncredited)

Jesse Rowan-Goldberg

Character: Lee Flynn (Age 11)

Lincoln Pearson

Character: Lee Flynn (Age 4)

Michael Miccoli

Character: Noah Flynn (Age 9)