Kal Penn Dr. Morgan Desai
Robin Weigert Dr. Madeline Northcott
Kyle Gallner Joel
Lisa Forst Special Effects Makeup Artist
Judy Reyes Victoria Munoz
Jessie T. Usher Trevor
Brian Spears Special Effects Makeup Artist
Sasha Grossman Makeup Department Head
Diane Heery Extras Casting
Sosie Bacon Rose Cotter
Rob Morgan Robert Talley
Jason Loftus Extras Casting
Alexis Forte Costume Design
Alphonse Swinehart Title Designer
Claire Kirk Unit Production Manager
Charlie Sarroff Director of Photography
Kelsey Sasportas Costume Supervisor
Jerry Lobrow Cocktail Party Guest (uncredited)
Mark Fichera Stunt Coordinator
Marti Matulis The Monstruosity
Donald J. Hewitt Jr. Stunts
Caitlin Stasey Laura Weaver
Nick Arapoglou Greg
Peita Carnevale Second Assistant Accountant
Nancy Cantine Stunts
Larry W. Brown Art Direction
Parker Finn Director, Writer
Gillian Zinser Holly
Matthew Lamb Jackson
Shevy Gutierrez Officer Wilkes
Monika Mikkelsen Casting
Tom Woodruff Jr. Makeup Designer, Special Effects Makeup Artist
Aaron Becker Title Designer
Steven Strickland Deputy Sheriff
Derrick Simmons Stunts
Andrew Bock First Assistant Sound Editor
Kevin Schultz Foley Mixer
Kait Murphy Assistant Set Decoration
Jared Johnston Orderly Dan
Goro Koyama Foley Artist
Neimah Djourabchi Stunts
Kyli Zion Stunts
Shanea Lattimore Drug Party Girl (uncredited)
Cristóbal Tapia de Veer Original Music Composer
Kevin Keppy Nightmare Mom
Perry Strong Detective Buckley
Davi Aquino Foley Editor
Mike Rotella Sculptor
Isaac Klausner Producer
Robert Salerno Producer, Unit Production Manager
Joel Minnich Chief Lighting Technician
Marty Bowen Producer
Lester Cohen Production Design
Lisa Simon Second Assistant Director
Chris Mahnken Costume Coordinator
Yuval Levy Visual Effects Supervisor
Wyck Godfrey Producer
Deborah Brozina Camera Operator
Mike Burke Stunts
Valerie Carney Key Makeup Artist
Jack Sochet Carl Renken
Andy Malcolm Foley Artist
Mikael Sandgren Music Editor
Tami Treadwell ADR Mixer
Diana Alleyne Production Assistant
John J. Budion Compositor
John Martineau Stand In
Shellie Gillespie Production Accountant
Joe Coppola Assistant Property Master
Dan Kenyon Sound Designer, Sound Re-Recording Mixer, Sound Supervisor
Bob Fredrickson Digital Intermediate Editor
Felix Andrew Production Sound Mixer