Joey King
Wren
Acting
Julia Goldani Telles
Hallie
Acting
Jaz Sinclair
Chloe
Acting
Annalise Basso
Katie
Acting
Alex Fitzalan
Tom
Acting
Taylor Richardson
Lizzie
Acting
Javier Botet
Slender Man
Acting
Jessica Blank
Hallie's Mom
Acting
Michael Reilly Burke
Hallie's Dad
Acting
Kevin Chapman
Mr. Jensen
Acting
Miguel Nascimento
Kyle
Acting
Eddie Frateschi
Biology Teacher
Acting
Oscar Wahlberg
Boy with Glasses
Acting
Danny Beaton
Burley Kid
Writing
Marc Carver
Doctor
Acting
Kris Sidberry
Librarian
Acting
Angela Hope Smith
Nurse
Acting
Damon D'Amico Jr.
Student
Acting
Timothy Brierley
Tour Guide
Acting
Kayla Caulfield
High School Student (uncredited)
Acting
Jeffrey Corazzini
Police Officer (uncredited)
Acting
Michael Tow
Calculus Teacher (uncredited)
Acting
Adrian M. Mompoint
Jock (uncredited)
Acting
Kieran Tuomey
Student (uncredited)
Acting
Gabrielle Lorthe
Cheerleader (uncredited)
Acting
Yohanna Perez
Student (uncredited)
Acting