Jessie T. Usher Trevor
Kal Penn Dr. Morgan Desai
Judy Reyes Victoria Munoz
Kyle Gallner Joel
Robin Weigert Dr. Madeline Northcott
Rob Morgan Robert Talley
Sosie Bacon Rose Cotter
Caitlin Stasey Laura Weaver
Parker Finn Director, Writer
Gillian Zinser Holly
Tami Treadwell ADR Mixer
Matthew Lamb Jackson
Neimah Djourabchi Stunts
Jessie Pariseau Assistant Sound Editor
Aaron Becker Title Designer
Marti Matulis The Monstruosity
Wyck Godfrey Producer
Alec Gillis Special Effects Makeup Artist
Tom Woodruff Jr. Makeup Designer, Special Effects Makeup Artist
Andy Malcolm Foley Artist
Josiah Nolan Stunts
Donald J. Hewitt Jr. Stunts
Jack Sochet Carl Renken
Derrick Simmons Stunts
Mark Fichera Stunt Coordinator
Alexis Forte Costume Design
Kyli Zion Stunts
Kevin Schultz Foley Mixer
Judah Getz ADR Mixer
Monika Mikkelsen Casting
Kevin Keppy Nightmare Mom
Matt Telsey Sound Effects Editor
Mike Burke Stunts
Brian Spears Special Effects Makeup Artist
Robert Salerno Unit Production Manager, Producer
Cristóbal Tapia de Veer Original Music Composer
Nick Arapoglou Greg
Frank Alfano Stunts
Felix Melendez Jr. Gabriel Munoz (uncredited)
Jeremy W. Foil Assistant Art Director
Marty Bowen Producer
Luke Lesko Stunts
John J. Budion Compositor
Christopher Place Stunt Coordinator
Dan Kenyon Sound Re-Recording Mixer, Sound Designer, Sound Supervisor
Kevin Rogers Stunts
Bill Higley ADR Mixer
Vico Sharabani Visual Effects Supervisor
Andrew Bock First Assistant Sound Editor
Vinny Mazzarella Property Master
Tom Ozanich Sound Re-Recording Mixer
Elliot Greenberg Editor
Elaine Apruzzese Psychiatric Patient (uncredited)
Paul Timothy Carden Supervising Dialogue Editor
Jeremy Selenfriend Special Effects Key Makeup Artist
Sara Kapner Stephanie
Kenneth Fundus Grip
Alesha Forche Stunt Double
Jenna Dalla Riva Foley Editor
Ryan Palmer Assistant Art Director
Sasha Grossman Makeup Department Head
Lester Cohen Production Design
Isaac Klausner Producer
Laura Archer Assistant Production Coordinator
Turner Smith Stunts
Jason Loftus Extras Casting
Mikael Sandgren Music Editor
Abby Nelson Stunts
Julie Robinson Script Supervisor
Kevin Jung Foley Editor
Bob Lacivita ADR Mixer
Ryan Velez Production Assistant