Joey King
Clare Shannon

Ki Hong Lee
Ryan Hui

Sydney Park
Meredith McNeil

Shannon Purser
June Acosta

Sherilyn Fenn
Mrs. Deluca

Elisabeth Röhm
Johanna Shannon

Ryan Phillippe
Jonathan Shannon

Mitchell Slaggert
Paul Middlebrook

Josephine Langford
Darcie Chapman

Alice Lee
Gina

Alexander Nunez
Tyler Manguso

Daniela Barbosa
Lola Sanchez

Kevin Hanchard
Carl Morris

Raegan Revord
Young Claire

Victor Sutton
Uncle August

Albert Chung
Roland Moon

Michelle Alexander
House Manager

Rosalina Lee
Spa Technician

Ryan Taerk
Ryan's Friend

Jerry O'Connell
Lawrence Hart (uncredited)

Sean Jones
Highschool Student (uncredited)

Jake Gosden
Highschool Student (uncredited)