Odessa Young
Lily Colson
Hari Nef
Bex Warren
Abra
Em Lacey
Suki Waterhouse
Sarah Lacey
Anika Noni Rose
Nancey Lacey
Colman Domingo
Principal Turrell
Maude Apatow
Grace
Bella Thorne
Reagan Hall
Joel McHale
Nick Mathers
Bill Skarsgård
Mark
Cody Christian
Johnny
Kathryn Erbe
Rebecca Colson
Susan Misner
Rose Mathers
Danny Ramirez
Diamond
Kelvin Harrison Jr.
Mason
Noah Galvin
Marty
Joe Chrest
Lawrence
Jeff Pope
Officer Ritcher
Jennifer Morrison
Margie Duncan
J.D. Evermore
Chief Patterson
Lukas Gage
Eric Lafont
Cullen Moss
Mayor Bartlett
Stacie Davis
Langley
Destiny Reed
Allie
Liz Elkins Newcomer
Mrs. Bartlett
Wolfgang Novogratz
Dave
Isabella Esposito
Nikki
Lucy Faust
Alexis Turrell
Geraldine Singer
Lisa Sanders
Caden Swain
Donny
Andrene Ward-Hammond
Officer Daniels
Silas Cooper
Grace's Father
Toney Chapman Steele
Angry Mob (uncredited)
Colby Slayter
Red Hat Football Player (uncredited)
William Schaff
Masked Man (uncredited)
Rey Reynaud
Masked Neighbor / Diamond Body Double (uncredited)
Austin William Morgan
Student (uncredited)
Bruce Vincent Logan
Masked Gunman (uncredited)
Felicity Lartigue
Cheerleader (uncredited)
Emily LaGroue
Cheerleader (uncredited)
Stephanie Davis Holmes
Citizen (uncredited)
Josephine Hennessey
Masked Townsperson (uncredited)
Paisley Gant
Student (uncredited)
Sarah-Grace Donnelly
Student (uncredited)
Kirsten Bazet
A / V Club Student (uncredited)
April Asbury
Mob Patron (uncredited)
Issa Abou-Issa
Masked Person (uncredited)
Rachel Whitman Groves
Woman in House
Greg DiLeo
Salem Resident 2
T.C. Carter
Snap Back
Ariel Fournier
Salem High Girl
Christopher Berry
Salem Resident 1
Kennon Kepper
Teammate 2
Gabriel Orion McCulloch
Tank Top
Anthony Marble
Marty's Father
Charley Vance
Guy in Street
Daniel Williams-Lopez
Stone-Faced Teen
Lance E. Nichols
FBI Agent Richard Vernon
Leticia Jimenez
Diamond's Mom
Lorelei Gilbert
Carlie
Tom McCafferty
Some Guy
Ben Matheny
Passenger
Ann Mahoney
Mom in Supermarket
Jacob A. Brown
Teammaye