In a small town in Maine, seven children known as The Losers Club come face to face with life problems, bullies and a monster that takes the shape of a clown called Pennywise.
| Directing | Andy Muschietti | Director |
| Writing | Stephen King | Novel |
| Production | Rich Delia | Casting |
| Production | Marty P. Ewing | Executive Producer |
| Editing | Jason Ballantine | Editor |
| Camera | Chung Chung-hoon | Director of Photography |
| Production | David Katzenberg | Producer |
| Production | Roy Lee | Producer |
| Production | Jon Silk | Executive Producer |
| Production | Bárbara Muschietti | Producer |
| Production | Dan Lin | Producer |
| Production | Seth Grahame-Smith | Producer |
| Art | Peter Grundy | Art Direction |
| Costume & Make-Up | Jeff Derushie | Makeup Artist |
| Sound | Glen Gauthier | Sound Mixer |
| Costume & Make-Up | Steven Kostanski | Makeup Artist |
| Art | Wayne Anderson | Sculptor |
| Costume & Make-Up | Linda Dowds | Makeup Department Head |
| Costume & Make-Up | Neil Morrill | Prosthetic Makeup Artist |
| Sound | Dana Sano | Music Supervisor |
| Costume & Make-Up | Debra Manou | Key Hair Stylist |
| Sound | Sylvain Arseneault | Sound Recordist |
| Visual Effects | Warren Appleby | Special Effects Supervisor |
| Costume & Make-Up | Janie Bryant | Costume Design |
| Costume & Make-Up | Emily O'Quinn | Key Makeup Artist |
| Production | Stephanie Gorin | Casting |
| Art | Rosalie Board | Set Decoration |
| Art | Claude Paré | Production Design |
| Production | Robin M. Reelis | Production Manager |
| Visual Effects | Daniel Carrasco | Creature Design |
| Directing | Jordana Lieberman | Third Assistant Director |
| Art | John Mackenzie | Construction Coordinator |
| Crew | Warren Appleby | Special Effects Coordinator |
| Art | Glenn Carter | Location Scout |
| Directing | Andrew Pritchard | Third Assistant Director |
| Crew | Henry Ilola | Carpenter |
| Crew | Sandor Mate | Carpenter |
| Costume & Make-Up | Ryan Reed | Hairstylist |
| Directing | Adam Bocknek | Second Assistant Director |
| Art | Adam Dougherty | Sculptor |
| Crew | Andrew Lindell | Carpenter |
| Sound | Lise Richardson | Music Editor |
| Art | Ron McKenzie | Location Scout |
| Directing | Shane B. Scott | Script Supervisor |
| Costume & Make-Up | Dera Veinot | Makeup Artist |
| Art | Brenton Brown | Set Dresser |
| Crew | Brian van de Valk | Carpenter |
| Crew | Brad DeWolde | Animal Wrangler |
| Art | Jon Chan | Assistant Art Director |
| Costume & Make-Up | Stephanie Ingram | Hair Department Head |
| Directing | Adam Richard Benish | Assistant Director |
| Directing | Richard Cowan | First Assistant Director |
| Art | Dave Rosa | Painter |
| Directing | Nick Lopez | Third Assistant Director |
| Art | Kenny Meinzinger | Set Dresser |
| Crew | Laurel Bresnahan | Studio Teachers |
| Art | David DeMarinis | Leadman |
| Production | Randy Morgan | Location Manager |
| Production | Gail Marks | Production Accountant |
| Art | Nicola Weston | Art Department Coordinator |
| Sound | Steve Switzer | Boom Operator |
| Sound | Brett Pierce | Music Editor |
| Art | Simeon Wilkins | Storyboard Designer |
| Art | Michael Derrah | Storyboard Designer |
| Art | Paul Greenberg | Assistant Art Director |
| Art | Ryan McCaffrey | Set Dresser |
| Art | Rob McCallum | Storyboard Designer |
| Art | Sorin Popescu | Set Designer |
| Sound | Paul Hackner | Sound Designer |
| Sound | CJ Woodley | Boom Operator |
| Directing | Penny Charter | Second Assistant Director |
| Art | Eric Deros | Set Designer |
| Production | Walter Hamada | Executive Producer |
| Sound | Benjamin Wallfisch | Original Music Composer |
| Writing | Cary Joji Fukunaga | Screenplay |
| Sound | Chris Jenkins | Sound Re-Recording Mixer |
| Sound | Michael Keller | Sound Re-Recording Mixer |
| Writing | Chase Palmer | Screenplay |
| Writing | Gary Dauberman | Screenplay |
| Crew | Kelly Jones | Stunt Coordinator |
| Costume & Make-Up | Sarah Craig McEathron | Makeup Department Head |
| Costume & Make-Up | Alec Gillis | Makeup Effects Designer |
| Costume & Make-Up | Rose Huggett | Hairstylist |
| Costume & Make-Up | Sondra Treilhard | Key Hair Stylist |
| Costume & Make-Up | Tom Woodruff Jr. | Makeup Effects Designer |
| Production | Marty P. Ewing | Unit Production Manager |
| Crew | Darin Read | Post Production Supervisor |
| Directing | William Waring | Second Unit Director |
| Art | Kyle Brown | Concept Artist |
| Art | Court Chu | Concept Artist |
| Crew | Emerson Doerksen | Scenic Artist |
| Art | Henry Fong | Concept Artist |
| Art | Christopher Geggie | Property Master |
| Art | Alan Hemsworth | Greensman |
| Art | Jared Krichevsky | Concept Artist |
| Art | Tania McGowan | First Assistant Art Direction |
| Art | Joshua Min | Concept Artist |
| Art | Rowena O'Connor | Assistant Property Master |
| Art | Scott Patton | Concept Artist |
| Art | Brian van de Valk | Construction Foreman |
| Sound | Scott Cannizzaro | ADR Mixer |
| Sound | Victor Ray Ennis | Supervising Sound Editor |
| Sound | Kris Fenske | Sound Effects Editor |
| Sound | Paul Flinchbaugh | Assistant Sound Editor |
| Sound | Jamie Hardt | Sound Effects Editor |
| Sound | James B. Howe | Foley Mixer |
| Sound | Kenneth L. Johnson | Sound Effects Editor |
| Sound | Vic Kaspar | ADR Mixer |
| Sound | Michael Kearns | Boom Operator |
| Sound | Mason Kopeikin | Foley Editor |
| Sound | Mace Matiosian | Foley Editor |
| Sound | Thomas J. O'Connell | ADR Mixer |
| Sound | Jesi Ruppel | Foley Artist |
| Sound | Joseph T. Sabella | Foley Artist |
| Crew | Jamie Jones | Stunt Coordinator |
| Crew | Tim Cody | Stunts |
| Sound | Bernard Weiser | Dialogue Editor |
| Lighting | David Allan | Lighting Technician |
| Camera | Jeff DaSilva | First Assistant Camera |
| Camera | Robert Cochrane | Dolly Grip |
| Camera | Angelo Colavecchia | Steadicam Operator |
| Camera | Sean Bourdeau | Best Boy Grip |
| Lighting | Alex Lawrence | Lighting Technician |
| Camera | Glen Goodchild | Dolly Grip |
| Camera | Richard Emerson | Key Grip |
| Lighting | Michael Galbraith | Chief Lighting Technician |
| Camera | Brooke Palmer | Still Photographer |
| Camera | Adam Tupper | Second Assistant "A" Camera |
| Lighting | Doug Novis | Rigging Gaffer |
| Lighting | Ronald G. Paulauskas | Rigging Grip |
| Camera | Dean Stinchcombe | First Assistant "A" Camera |
| Camera | Ryan Prouse | Second Assistant "B" Camera |
| Camera | Benjamin Smith | First Assistant "B" Camera |
| Lighting | Rich Sutherland | Rigging Grip |
| Production | Coco Kleppinger | Casting Associate |
| Lighting | Phil Whitfield | Assistant Chief Lighting Technician |
| Lighting | John Vrakking | Key Rigging Grip |
| Editing | Ferran Banchs | Assistant Editor |
| Editing | Vanessa Galvez | Digital Intermediate Producer |
| Costume & Make-Up | Jeff Dineen | Key Set Costumer |
| Sound | David J. Krystal | Orchestrator |
| Editing | Pearce Roemer | First Assistant Editor |
| Sound | Hillary Holmes | Music Coordinator |
| Crew | Roberto Campanella | Choreographer |
| Production | Krista Colosimo | Production Secretary |
| Crew | Joe Everett | Unit Publicist |
| Crew | Joan Hug Valeriote | Studio Teacher |
| Art | Jeremy Gillespie | First Assistant Art Direction |
| Visual Effects | Nicholas Brooks | Visual Effects Supervisor |
| Visual Effects | Kendrick Wallace | Visual Effects Producer |
| Crew | Bauston Camilleri | Stunts |
| Crew | Chad Camilleri | Stunts |
| Crew | Canaan Davison | Stunts |
| Crew | Neil Davison | Stunts |
| Crew | Dustin Faith | Stunts |
| Crew | Tom Farr | Stunts |
| Crew | Cam Fergus | Stunts |
| Crew | Brayden Jones | Stunts |
| Crew | Brent Jones | Stunts |
| Crew | Ciara Jones | Stunts |
| Crew | Jennifer Murray | Stunts |
| Crew | Janine Parkinson | Stunts |
| Crew | Avery Queffelec | Stunts |
| Crew | Aj Risi | Stunts |
| Crew | Ilora Rosenberg | Stunts |
| Crew | Vincent Rother | Stunts |
| Crew | Bryan J. Thomas | Stunts |
| Sound | Mark Purcell | Sound Mix Technician |
| Crew | Lara Ramirez | Visual Effects Editor |
| Production | Katharine Duke | Payroll Accountant |
| Sound | Tim Williams | Conductor |
| Editing | Stephen Nakamura | Digital Intermediate Colorist |
| Camera | Angelo Colavecchia | "A" Camera Operator |
| Camera | Michael Carella | "B" Camera Operator |
| Camera | Michael Carella | Second Unit Director of Photography |
| Editing | William Conrad | Editorial Services |
| Visual Effects | Brice Liesveld | Visual Effects Producer |
| Costume & Make-Up | Dan Bronson | Costume Supervisor |
| Visual Effects | Brooke Lyndon-Stanford | Visual Effects Supervisor |
| Production | Richard Brener | Executive Producer |
| Production | Toby Emmerich | Executive Producer |
| Crew | Christina Pitts Jazzar | Associate Choreographer |
