Hailee Steinfeld
Megan Walsh

Sophie Turner
Heather

Jessica Alba
Victoria Knox

Samuel L. Jackson
Hardman

Dove Cameron
Liz Larson

Thomas Mann
Roger Marcus

Gabriel Basso
Gooch

Emma Holzer
Donna

Rob Huebel
Mr. Marcus

Jaime King
Special Analyst Knight

Rachael Harris
Mrs. Larson

Dan Fogler
Mr. Drumm

Jason Ian Drucker
Parker Larson

Toby Sebastian
Cash Fenton

Alexandra Krosney
Cindy

Finesse Mitchell
Principal Weissman

Bruno Gunn
Henchman Jones

Steve-O
Pedro

Kathrine Herzer
Melinda

Autumn Dial
Missy

Tarek Bishara
Mr. Bishops

Kate Kneeland
Coach Hughes

Cameron Fuller
Leonard Steinman

Daniel Spink
Henchman Davey

Andre Pushkin
Man on Subway

Isabella Amara
Heckler #2

Demetrius Bridges
Jock #1

Michael Provost
Jock #2

Christopher Nathan
Fred the Freshman

Ian Gregg
Second Guy (uncredited)

Marina Hova
High School Student (uncredited)

Algee Smith
Jock (uncredited)

Bryn Vale
Prescott Student (uncredited)

Topher Grace
Mr. Larson (photograph) (uncredited)