Joey King Wren
Annalise Basso Katie
Jaz Sinclair Chloe
Kevin Chapman Mr. Jensen
Javier Botet Slender Man
Michael Reilly Burke Hallie's Dad
Ramin Djawadi Original Music Composer
James Vanderbilt Producer
Oscar Wahlberg Boy with Glasses
Sylvain White Director
Julia Goldani Telles Hallie
Taylor Richardson Lizzie
Michael Tow Calculus Teacher (uncredited)
William Sherak Producer
David Birke Writer
Kris Sidberry Librarian
Megan Blake Graphic Designer
Alex Fitzalan Tom
Adam Kolbrenner Executive Producer
Zachary K. Lazar Genetator Operator
Amy Kane Foley Artist
Nancy Nayor Casting
John Haley Visual Effects Supervisor
Kim Leoleis Set Decoration
Erin Cole Assistant Production Coordinator
Bradley J. Fischer Producer
Brandon Campbell Music
Nate Underkuffler Music Editor
Steven Ticknor Sound Re-Recording Mixer
Jeff Gross Foley Mixer
Kevin S. Parker Sound Mixer
Marc Carver Doctor
Glenn S. Gainor Executive Producer
Tracey Nyberg Executive Producer
Roy Farfel Stunt Coordinator
Nolan Ball First Assistant "B" Camera
Jill Sacco Production Coordinator
Greg Harvey Stunt Coordinator
Javier Bennassar Sound Designer
Jessica Blank Hallie's Mom
James R. Mitchell Best Boy Electric
Aidan Payne Script Supervisor
Angela Hope Smith Nurse
Ryan Juggler Sound Editor
Mathieu Baptista Special Effects Makeup Artist
Jonathan Gesinski Storyboard Artist
Warren A. Weberg Best Boy Grip
Louis Sallerson Executive Producer
Shane Shisheboran Special Effects Makeup Artist
Steve Urban Sound Editor
Juliet Loveland Makeup Department Head
Andrea Ajemian Co-Producer
Ilyana Eberhardt Stunt Double
Deborah Newhall Costume Design
Lance Ranzer Visual Effects Supervisor
Scott Lebeda Camera Operator
Nick Offord Sound Re-Recording Mixer
Grant Conway Music Editor
John Vincent Mason Utility Stunts
Kayla Caulfield High School Student (uncredited)
Adrian M. Mompoint Jock (uncredited)
Jamey Scott Sound Designer
Anita Cannella Foley Artist
Trevor Metz Sound Effects Editor
Gabrielle Lorthe Cheerleader (uncredited)
Robert Schleinig Leadman
Luca Del Puppo Director of Photography
Rosa J. Colón Key Costumer
Julie LeShane Special Effects Makeup Artist
Keith Thompson Concept Artist
Lucas McGowen Aerial Camera
Kimmie Johnson Art Department Coordinator