A loving father finds a clown suit for his son's birthday party, only to realize the suit is part of an evil curse that turns its wearer into a killer.
| Production | Michael Cappuccino | Producer |
| Production | Eli Roth | Producer |
| Production | Cody Ryder | Producer |
| Production | Robert Menzies | Executive Producer |
| Writing | Christopher Ford | Writer |
| Writing | Jon Watts | Writer |
| Directing | Jon Watts | Director |
| Sound | Matt Veligdan | Music |
| Editing | Robert Ryang | Editor |
| Production | Billy Hopkins | Casting |
| Production | Ilona Smyth | Casting |
| Art | Lisa Soper | Production Design |
| Art | Shane Boucher | Art Direction |
| Art | Garren Dunbar | Set Decoration |
| Art | Sarah Potter | Assistant Art Director |
| Art | William Mood | Construction Coordinator |
| Sound | Graham Reznick | Sound Designer |
| Sound | Dean Covill | Sound Designer |
| Sound | Tom Efinger | Sound Re-Recording Mixer |
| Sound | Jeff Seelye | Sound Re-Recording Mixer |
| Visual Effects | Cecile Tecson | Visual Effects |
| Crew | Layton Morrison | Stunt Coordinator |
| Camera | Matthew Santo | Director of Photography |
| Camera | Michael Tien | Camera Operator |
| Camera | James Ransom | Camera Operator |
| Lighting | Andreas Borrel | Gaffer |
| Camera | Roham Rahmanian | Additional Camera |
| Directing | Carolyn Arbuckle | Script Supervisor |
| Production | Nina Bains | Location Manager |
| Costume & Make-Up | Sue Fijalkowska | Costume Design |
| Camera | Petr Maur | Still Photographer |
| Visual Effects | Jack Lilburn | VFX Supervisor |
| Sound | James P. Nichols | Dolby Consultant |
| Sound | John Moros | Dialogue Editor |
| Production | Harvey Weinstein | Executive Producer |
| Production | Bob Weinstein | Executive Producer |
| Production | Brian Oliver | Producer |
| Production | James A. Holt | Executive Producer |
| Production | Helen Cappuccino | Executive Producer |
| Production | Andy Cappuccino | Executive Producer |
| Costume & Make-Up | Ashley Dawn Szabadi | Assistant Makeup Artist |
| Costume & Make-Up | Jason Holtz | Contact Lens Technician |
| Costume & Make-Up | Kayla Manasseri | Key Hair Stylist |
| Costume & Make-Up | Angie Mills | Key Makeup Artist |
| Crew | Tony Gardner | Makeup Effects |
| Costume & Make-Up | Eric Harris | Prosthetics Sculptor |
| Costume & Make-Up | Dave Smith | Prosthetics Sculptor |
| Costume & Make-Up | Steven Kostanski | Special Effects Makeup Artist |
| Costume & Make-Up | A.J. Lee | Special Effects Makeup Artist |
| Directing | Reid A. Dunlop | First Assistant Director |
| Directing | Alan Goluboff | First Assistant Director |
| Directing | Alexandre Champagne | Second Assistant Director |
| Crew | Ben Belanger | Carpenter |
| Crew | Tom O'Leary | Carpenter |
| Crew | Michael Madore | Carpenter |
| Art | Alexander Laurant | Conceptual Illustrator |
| Art | Tim Winchester | Property Master |
| Art | Travis Boucher | Set Dresser |
| Art | Ted Kennedy | Set Dresser |
| Art | Cory Lefebvre | Set Dresser |
| Art | Paul Pellerin | Set Dresser |
| Art | Tonie St-Onge | Set Dresser |
| Sound | Scott Brewster | ADR Mixer |
| Sound | Mark Totti | Boom Operator |
| Sound | Brian Maier | Boom Operator |
| Sound | Ryan Collison | Foley Artist |
| Sound | Kate Bilinski | Foley Editor |
| Sound | Claire Bell | Foley Recordist |
| Sound | Claire Bell | Sound Effects Editor |
| Sound | Nick Montgomery | Sound Effects Editor |
| Sound | Tom Efinger | Sound Supervisor |
| Sound | Graham Reznick | Sound Supervisor |
| Sound | Frédéric Edwards | Sound Mixer |
| Costume & Make-Up | Angela Lefebvre | Costume Assistant |
| Costume & Make-Up | Shona Humphrey | Truck Supervisor |
| Costume & Make-Up | Angela Jazz | Wardrobe Assistant |
| Lighting | Roland Marckwort | Best Boy Electric |
| Camera | Tom Reid | Best Boy Grip |
| Camera | Greg Drizhachenko | Camera Intern |
| Camera | Angelia Hughes | Camera Trainee |
| Camera | Emilo Avalos | Camera Trainee |
| Lighting | Kate Derrick | Electrician |
| Lighting | Martin Malecek | Electrician |
| Lighting | John Olts | Electrician |
| Lighting | Paul Osepchook | Electrician |
| Lighting | Wesley Van Hoof | Electrician |
| Camera | Paul Daroszewski | Dolly Grip |
| Camera | Jessie Turner | First Assistant "A" Camera |
| Camera | Erika Houle | First Assistant "A" Camera |
| Camera | Gordon Arkenberg | First Assistant "A" Camera |
| Camera | Ian Spohr | First Assistant "A" Camera |
| Camera | Blain Thrush | First Assistant "B" Camera |
| Camera | Jesse Clark | First Assistant "B" Camera |
| Camera | Andrew Autio | Grip |
| Camera | Kyle Killeen | Grip |
| Camera | Adam McLaren | Grip |
| Camera | Calvin Prokopowich | Grip |
| Camera | Curtis Dickie | Key Grip |
| Editing | Rex Lowry | Assistant Editor |
| Editing | Joe Simons | Assistant Editor |
| Editing | Damien van der Cruyssen | Colorist |
| Editing | Mike Paterson | Digital Intermediate |
| Editing | Alison Schouten | Digital Intermediate Assistant |
| Editing | Kevin Downer | Digital Intermediate Editor |
| Editing | Dave Muscat | Digital Intermediate Editor |
| Editing | Eric Myles | Digital Intermediate Editor |
| Editing | Peter Armstrong | Digital Intermediate Producer |
| Editing | Pietro Gallo | Online Editor |
| Production | Rebecca Brunet | Casting Assistant |
| Production | Ashley Ingram | Casting Assistant |
| Production | Ilona Smyth | Extras Casting |
| Visual Effects | Michael Morey | Additional Visual Effects |
| Visual Effects | James Parris | Animation |
| Visual Effects | Benjamin Mattern | Animation |
| Crew | Marc Nanjo | Compositor |
| Visual Effects | Alexander Laurant | Creature Design |
| Visual Effects | Nicholas Kim | Digital Compositor |
| Visual Effects | Andy Mower | Digital Compositor |
| Visual Effects | Ivy Depies | Digital Compositor |
| Visual Effects | Sung Churl Kim | Modeling |
| Art | Heebok Lee | Title Designer |
| Visual Effects | Jack Lilburn | Visual Effects Coordinator |
| Visual Effects | Lauren Gauthier | Visual Effects Coordinator |
| Visual Effects | Nicole Therese Saccardi | Visual Effects Coordinator |
| Visual Effects | Michael Wigart | Visual Effects Producer |
| Visual Effects | Jason Schugardt | Visual Effects Supervisor |
| Crew | Ben Belanger | Pyrotechnician |
| Crew | Russell Cate | Special Effects |
| Crew | Graham Chivers | Special Effects |
| Crew | Trason Fernandes | Special Effects |
| Crew | Soula Kalamaras | Special Effects |
| Crew | Christina Scott | Special Effects |
| Crew | David Scott | Key Special Effects |
| Costume & Make-Up | Jasmine Murray-Bergquist | Costume Set Supervisor |
