 | Bella Thorne als Jamie Mitchell |
 | Chandler Riggs als John Mitchell |
 | Natalie Martinez als Nicole |
 | Ioan Gruffudd als Carl Mitchell |
 | Maya Eshet als The Wasp |
 | Matthew Willig als The Terror |
 | Leigh Whannell als Matt |
 | Jared Abrahamson als Josh |
 | Roger Craig Smith als The Creator (Voice) |
 | Christopher James Baker als The Creator |
 | Naibe Reynoso als Reporter |
 | April McCullough als Betty Mitchell |
| Savannah Douglas als Young Jamie (uncredited) |
 | James M. Connor als Therapist |
 | Carlos Arellano als Sheriff |
| Nicolas Chartier | Producer |
| Sean Carter | Director |
| Joseph Dembner | Screenplay |
| Jennifer Saeta | Makeup Department Head |
| Stefano Leoni | CG Supervisor |
| Ethan Beigel | Supervising Sound Editor |
| Craig J. Flores | Producer |
| Daniele DeMaio | Animation |
| Rosario Barbera | Visual Effects Producer |
| Clara Pampolini | Animation |
| Mattia Vergara | Animation |
| Gaia Bussolati | Visual Effects Supervisor |
| Patrick M. Sullivan | Production Design |
| Vince Palomino | Key Grip |
| Chiara Feriani | Animation |
| Alex Hill | Special Effects Coordinator |
| Tara Blume | Foley |
| Jeri Baker | Hair Department Head |
| Ethan Beigel | Sound Re-Recording Mixer |
| Andrew Rona | Producer |
| Kyle Tekiela | Title Designer |
| Davide Signorelli | Visual Effects Coordinator |
| Ann Cummings | Art Direction |
| Kelly Ambrow | Boom Operator |
| Ryan Wassil | Foley Editor |
| David Barnaby | Sound Designer |
| Justin Dickson | Best Boy Electric |
| Jinseok Park | Animation |
| Alex Heineman | Producer |
| Kalyn Karnan | Script Supervisor |
| Mauro Moretti | Animation |
| Brinton Bryan | First Assistant Director |
| Brian Jackson Harris | Music Supervisor |
| Jesse Ehredt | Dialogue Editor |
| Jason Salzman | Production Manager |
| Elena Antzon | Script Supervisor |
| Eyde Belasco | Casting |
| Alma Magaña | Set Costumer |
| Tyler Bates | Music |
| Sharone Meir | Director of Photography |
| Christopher S. Capp | Editor |
| Jeffrey J. Dashnaw | Stunt Coordinator |
| Mallory Thompson | Stunt Double |
