 | Jason Clarke als Louis Creed |
 | Amy Seimetz als Rachel Creed |
 | John Lithgow als Jud Crandall |
 | Jeté Laurence als Ellie Creed |
 | Hugo Lavoie als Gage Creed |
 | Lucas Lavoie als Gage Creed |
 | Obssa Ahmed als Victor Pascow |
 | Sonia Maria Chirila als Young Rachel |
 | Alyssa Brooke Levine als Zelda Goldman |
 | Maria Herrera als Marcella |
 | Jacob Lemieux als Mouse Face |
| Maverick Fortin als Dog Face |
| Lou Ferrando als Rabbit Face |
| Najya Muipatayi als Cat Face |
| Emma Hill als Horse Face |
 | Frank Schorpion als Rachel's Father |
 | Linda E. Smith als Rachel's Mother |
 | Naomi Frenette als Upset Student |
 | Suzi Stingl als Norma |
 | Kelly Lee als Nurse Kelly |
 | Nina Lauren als Nurse Nina |
 | Alison O'Donnell als Party Guest #1 |
| Raphaël Laporte als Party Guest #2 |
 | Simon Pelletier-Gilbert als Party Guest #3 |
 | Ambre Dioh-Dikongué als Halloween Kid #4 (uncredited) |
| Constance St-Denis-Veilleux als Halloween Kid #2 (uncredited) |
 | Bailey Thain als Kid #1 (uncredited) |
 | Ines Feghouli Bozon als Halloween Kid #1 (uncredited) |
| Dennis Widmyer | Director |
| Kevin Kölsch | Director |
| Jeff Buhler | Screenplay |
| Stephen King | Novel |
| Laurie Rose | Director of Photography |
| Sarah Broshar | Editor |
| Todd Cherniawsky | Production Design |
| Christopher Young | Original Music Composer |
| Lorenzo di Bonaventura | Producer |
| Mark Moran | Executive Producer |
| Steven Schneider | Producer |
| Mark Vahradian | Producer |
| Mathieu Giguère | Art Direction |
| Félix Larivière-Charron | Supervising Art Director |
| Matt Greenberg | Screenstory |
| Melissa Fafard | Makeup Artist |
| Jean-Manuel Medina | Hairstylist |
| Annick Chartier | Makeup Department Head |
| Joseph Middleton | Casting |
| Monika Mikkelsen | Casting |
| Simonetta Mariano | Costume Designer |
| Mark Moran | Unit Production Manager |
| Hélène Ross | Unit Production Manager |
| Beau Ferris | First Assistant Director |
| Renato De Cotiis | Second Assistant Director |
| Raymond Larose | Set Designer |
| Simon Théberge | Set Designer |
| Claude Goyette | Set Designer |
| Carl Lessard | Graphic Designer |
| Simon Poudrette | Sound Mixer |
| Louis Craig | Special Effects Supervisor |
| Laurie Frigon | Makeup Artist |
| Colette Martel | Hairstylist |
| Félix Larivière | Hair Department Head |
| Adrien Morot | Makeup Effects Designer |
| Ethan van der Ryn | Supervising Sound Editor |
| Erik Aadahl | Supervising Sound Editor |
| Deb Adair | Sound Re-Recording Mixer |
| Brandon Jones | Sound Re-Recording Mixer |
| Kerry Hayes | Still Photographer |
| Tim Walston | Sound Designer |
| Brandon Jones | Sound Designer |
| Matt Yocum | Sound Designer |
| Paul Jennings | Second Unit Director |
| Geneviève Perron | Second Unit Director of Photography |
| Yecine Meliani | Sound Mixer |
| Andrew LemMon | Art Direction |
| Vincent Aird | Set Decoration |
| Caroline Aquin | Special Effects Makeup Artist |
| Stephan Ashdown | Special Effects Makeup Artist |
| Michel Bougie | Special Effects Makeup Artist |
| Camille Bouvet | Special Effects Makeup Artist |
| Cyril Hipaux | Special Effects Makeup Artist |
| Pierre-Emmanuel Kaas | Special Effects Makeup Artist |
| Jonathan Lavallée | Special Effects Makeup Artist |
| Adrien Morot | Creature Design |
| Vasilica Pintea | Special Effects Makeup Artist |
| Carly Paige Salzman | Special Effects Makeup Artist |
| Abigail Callahan | Post Production Supervisor |
| Didier Communaux | Unit Manager |
| Raphaël Hébert | Third Assistant Director |
| Ela Miszkurka | Second Second Assistant Director |
| Véronique Arcouette | Property Master |
| Doug Brode | Storyboard Artist |
| Rémy Deroy | Carpenter |
| Audrey Ejdelman | Draughtsman |
| Lucie Fournier | Sculptor |
| Serge Julien | Carpenter |
| Dylan La Frenière | Greensman |
| Hans Laliberté | Leadman |
| Annie Lamarre | Art Department Coordinator |
| Viviane Vallée | Art Department Coordinator |
| Steve Baine | Foley Artist |
| David Bach | ADR & Dubbing |
| David V. Butler | Dialogue Editor |
| Matt Cavanaugh | Assistant Sound Editor |
| Justin M. Davey | Sound Effects Editor |
| Chris Diebold | Sound Effects Editor |
| Maxime Ferland | Boom Operator |
| Casey Genton | Sound Effects Editor |
| Jason W. Jennings | Sound Effects Editor |
| Bob Kellough | Sound Effects Editor |
| Ralph Osborn | Dialogue Editor |
| Peter Persaud | Foley Mixer |
| Emma Present | Dialogue Editor |
| John C. Stuver | Dialogue Editor |
| Michael DiCarlo | Visual Effects Producer |
| Sharon Canovas | Stunt Double |
| Amanda Dellapenta | Stunt Double |
| Jean Frenette | Stunt Coordinator |
| Naomi Frenette | Stunts |
| Stephannie Hawkins | Stunt Double |
| Stéphane Julien | Stunt Double |
| David McKeown | Stunt Coordinator |
| Jesse Provencher | Stunts |
| Suzi Stingl | Stunt Double |
| Eames Gagnon | Chief Lighting Technician |
| Martine Leclerc | Camera Operator |
| Kenneth MacKenzie | Key Grip |
| Dany Racine | First Assistant Camera |
| Geoffroy St-Hilaire | Steadicam Operator |
| Eddie Jaszek | Casting Associate |
| Ame Hutchison | Costume Supervisor |
| Catherine Lord | Assistant Costume Designer |
| Sylvie Théberge | Seamstress |
| Madeleine Tremblay | Wardrobe Master |
| Nicholas Lundgren | Assistant Editor |
| Lauren Orlowski | Post Production Coordinator |
| Chris Patterson | First Assistant Editor |
| Steven Pristin | First Assistant Editor |
| Benoît Mathieu | Location Manager |
| Elizabeth Tremblay | Script Supervisor |
| Puelo Deir | Unit Publicist |
| Audrey Fallu | Production Secretary |
| Martin Lemire | Drone Pilot |
| Daniel Lepage | Set Medic |
| Kyla McFeat | Production Accountant |
| Cyril Balavoine | Compositor |
| Ted Teske | Sound Re-Recording Mixer |
| Ann Smart | Set Decoration |
