Suki Waterhouse
Sarah Lacey
Anika Noni Rose
Nancey Lacey
Colman Domingo
Principal Turrell
Kathryn Erbe
Rebecca Colson
Jennifer Morrison
Margie Duncan
J.D. Evermore
Chief Patterson
Cullen Moss
Mayor Bartlett
Liz Elkins Newcomer
Mrs. Bartlett
Geraldine Singer
Lisa Sanders
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
Ariel Fournier
Salem High Girl
Christopher Berry
Salem Resident 1
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
Ann Mahoney
Mom in Supermarket