Mae Whitman
Bianca Piper
Robbie Amell
Wesley Rush
Bella Thorne
Madison Morgan
Skyler Samuels
Jess Harris
Bianca A. Santos
Casey Cordero
Romany Malco
Principal Buchanon
Nick Eversman
Toby Tucker
Chris Wylde
Mr. Fillmore
Ken Jeong
Mr. Arthur
Allison Janney
Dottie Piper
Seth Meriwether
A.J.
Rebecca Weil
Caitlyn
Erick Chavarria
Señor Gomez
Brian Dewar McNamara
Matt
Benjamin Taylor Davis
Jeffrey
RJ Shearer
Albert
Eric R. Moore
Paul
J.J. Green
Trevor
Paras Patel
Anupam
Murielle Telio
Mariah
Mahaley Patel
Kara (as Mahaley Manning)
Alexandra Ficken
Robin
Jill Jane Clements
Lunch Lady Elaine
Fiona Hardingham
Heidi
Demetrius Bridges
Jarrett
Lai-Ling Bernstein
Octavia
Tony Cavalero
Sweater Guy (as Anthony John Cavalero)
David Gridley
Allen
Beau Rich
Robert
Krissy Notes
Laura
Richard Kohberger
Johnny
Benjamin Papac
Nick (as Ben Papac)
Marisela Zumbado
Nora
Kyle Wilkerson
Silas
Kurt Krause
Geoff
Jonathan Baron
Sebastian
Dorothy Reynolds
Tali
Cason Richter
Lance
Danielle Sherrick
Creepy Carrie
Emily Norcia
Lee
Danielle Lyn
Maya
Veanna Black
Rochelle
Turner J. Wheat
Troy (as Turner Wheat)
Terri Abney
Kid (uncredited)
Christy Alcroft
Girl in Class (uncredited)
Madeline Brumby
Student (uncredited)
Samuel Lee Fudge
Student (uncredited)
Gabriela Hernandez
Ashley (uncredited)