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