Trailer
Cast
Kevin Chapman
Mr. Jensen
Kieran Tuomey
Student (uncredited)
Gabrielle Lorthe
Cheerleader (uncredited)
Javier Botet
Slender Man
Alex Fitzalan
Tom
Michael Reilly Burke
Hallie's Dad
Oscar Wahlberg
Boy with Glasses
Kayla Caulfield
High School Student (uncredited)
Joey King
Wren
Jaz Sinclair
Chloe
Jessica Blank
Hallie's Mom
Miguel Nascimento
Kyle
Kris Sidberry
Librarian
Julia Goldani Telles
Hallie
Taylor Richardson
Lizzie
Jeffrey Corazzini
Police Officer (uncredited)
Michael Tow
Calculus Teacher (uncredited)
Annalise Basso
Katie