Chloë Grace Moretz
Carrie White
Julianne Moore
Margaret White
Gabriella Wilde
Sue Snell
Ansel Elgort
Tommy Ross
Alex Russell
Billy Nolan
Judy Greer
Miss Desjardin
Portia Doubleday
Chris Hargensen
Zoë Belkin
Tina Blake
Samantha Weinstein
Heather
Karissa Strain
Nicki Watson
Katie Strain
Lizzy Watson
Demetrius Joyette
George Dawson
Barry Shabaka Henley
Principal Henry Morton
Arlene Mazerolle
Miss Helen Finch
Evan Gilchrist
Greg Delois
Eddie Max Huband
Harry Trenant
Tyler Rushton
Neighborhood Kid
Connor Price
Freddy 'Beak' Holt
Jefferson Brown
Mr. Ulmann
Cynthia Preston
Eleanor Snell
Philip Nozuka
Ernie Peterson
Kyle Mac
Kenny
Michelle Nolden
Estelle
Mouna Traoré
Erika
Chris Britton
Dr. Dean L. McDuffy
Derek McGrath
Head Commissioner
Max Topplin
Jackie
Annie Chen
Myra Crewes (uncredited)
Irene Poole
Estelle's Mother (uncredited)
Hart Bochner
Mr. Hargensen (uncredited)
Natalie Dale
Rachel Spies (uncredited)
Chloe Van Landschoot
Flower Girl (uncredited)
Kim Roberts
Ms. Arlene Walsh (uncredited)