Joey King Wren
Kevin Chapman M. Jensen
Annalise Basso Katie Jensen
Javier Botet Slender Man
David Birke Writer
Jessica Blank Hallie's Mom
Jaz Sinclair Chloe
Julia Goldani Telles Hallie
Ramin Djawadi Original Music Composer
James Vanderbilt Producer
Michael Reilly Burke Hallie's Dad
Oscar Wahlberg Boy with Glasses
Alex Fitzalan Tom
Taylor Richardson Lizzie
Sarah Snow Producer
Michael Tow Calculus Teacher
Roy Farfel Stunt Coordinator
Kieran Tuomey Student
Mathieu Baptista Special Effects Makeup Artist
Erin Cole Assistant Production Coordinator
Gabrielle Lorthe Cheerleader
Sylvain White Director
Nancy Nayor Casting
Adam Kolbrenner Executive Producer
Juliet Loveland Makeup Department Head
Anita Cannella Foley Artist
John Haley Visual Effects Supervisor
William Sherak Producer
Jeff Gross Foley Mixer
Tom Davies First Assistant Director
Greg Harvey Stunt Coordinator
Aidan Payne Script Supervisor
Nick Offord Sound Re-Recording Mixer
Debbie Holbrook Costume Supervisor
Peter Stevenson Boom Operator
Andrea Ajemian Co-Producer
Jesse Goldberg Gaffer
Javier Bennassar Sound Designer
Louis Sallerson Executive Producer
John Vincent Mason Utility Stunts
Angela Hope Smith Nurse
Ryan Juggler Sound Editor
Keith Thompson Concept Artist
Brandon Campbell Music
Bradley J. Fischer Producer
Nate Underkuffler Music Editor
Jonathan Gesinski Storyboard Artist
Megan Blake Graphic Designer
Nolan Ball First Assistant "B" Camera
Julie LeShane Special Effects Makeup Artist
Deborah Newhall Production Design, Costume Design
Tom Anas Production Secretary
William M. Weberg Key Grip
Trevor Metz Sound Effects Editor
Scooter Perrotta Second Second Assistant Director
Paula Dion Hair Department Head
JoJo Myers Proud Key Makeup Artist
James R. Mitchell Best Boy Electric
Amy Kane Foley Artist
Ilyana Eberhardt Stunt Double
Lucas McGowen Aerial Camera
Devon Catucci Camera Operator
Kayla Caulfield High School Student
Thomas Bellotti Second Assistant "B" Camera
Steven Ticknor Sound Re-Recording Mixer
Jennifer Lynn Tremblay Assistant Costume Designer
Marc Carver Doctor
Kim Leoleis Set Decoration
Jeffrey Corazzini Police Officer
Tracey Nyberg Executive Producer
Steve Urban Sound Editor
Rosa J. Colón Key Costumer