27 years after overcoming the malevolent supernatural entity Pennywise, the former members of the Losers' Club, who have grown up and moved away from Derry, are brought back together by a devastating phone call.
| Writing | Gary Dauberman | Screenplay |
| Writing | Stephen King | Novel |
| Directing | Andy Muschietti | Director |
| Production | Roy Lee | Producer |
| Production | Dan Lin | Producer |
| Art | Nigel Churcher | Art Direction |
| Art | Paul D. Austerberry | Production Design |
| Camera | Checco Varese | Director of Photography |
| Directing | Adam Bocknek | Second Unit Director |
| Production | Rich Delia | Casting |
| Costume & Make-Up | Luis Sequeira | Costume Design |
| Art | Shane Vieau | Set Decoration |
| Editing | Jason Ballantine | Editor |
| Costume & Make-Up | Shane Zander | Makeup Department Head |
| Production | Dave Neustadter | Executive Producer |
| Production | Marty P. Ewing | Executive Producer |
| Production | Bárbara Muschietti | Producer |
| Production | Richard Brener | Executive Producer |
| Production | Seth Grahame-Smith | Executive Producer |
| Production | David Katzenberg | Executive Producer |
| Sound | Benjamin Wallfisch | Original Music Composer |
| Directing | Penny Charter | Second Assistant Director |
| Crew | Jamie Jones | Stunt Coordinator |
| Art | Samantha Dick | Art Department Coordinator |
| Production | Darin Read | Associate Producer |
| Sound | Erick Ocampo | Sound Designer |
| Sound | Thomas J. O'Connell | ADR Mixer |
| Production | Elaine Thurston | Production Accountant |
| Production | Katharine Duke | Payroll Accountant |
| Costume & Make-Up | Sarah Craig McEathron | Makeup Department Head |
| Crew | Matthew Wolchock | Transportation Coordinator |
| Costume & Make-Up | Tamiyo Tomihiro | Costumer |
| Camera | Brooke Palmer | Still Photographer |
| Visual Effects | Nicholas Brooks | Visual Effects Supervisor |
| Camera | Dean Stinchcombe | First Assistant "A" Camera |
| Sound | Michael Keller | Sound Re-Recording Mixer |
| Sound | John C. Stuver | ADR Editor |
| Sound | Ando Johnson | Sound Effects Editor |
| Visual Effects | Jimmy Uddo | Visual Effects Producer |
| Costume & Make-Up | Mélanie Turcotte | Costumer |
| Costume & Make-Up | Sara Schilt | Costumer |
| Costume & Make-Up | Amy Sztulwark | Costumer |
| Art | David Best | Graphic Designer |
| Directing | Jordana Lieberman | Third Assistant Director |
| Costume & Make-Up | Rachel Archer | Costumer |
| Production | Jason Fuchs | Co-Producer |
| Editing | Esther Sokolow | First Assistant Editor |
| Costume & Make-Up | Lisa Prince | Costumer |
| Production | Victoria Palmeri | Co-Producer |
| Sound | Lise Richardson | Music Editor |
| Sound | Katherine Rose | Foley Artist |
| Costume & Make-Up | Hanne Whitfield | Costumer |
| Art | Fred Espina | First Assistant Art Direction |
| Art | Lucas J. Wareing | First Assistant Art Direction |
| Art | Rebecca Reed | Second Assistant Art Director |
| Camera | Jasper Vrakking | Digital Imaging Technician |
| Sound | Bruce Tanis | Sound Effects Editor |
| Production | Cheryl Francis | Production Office Coordinator |
| Production | Randy Morgan | Location Manager |
| Costume & Make-Up | Susan Nycz | Costumer |
| Art | Christopher Geggie | Property Master |
| Directing | Michael Lerman | First Assistant Director |
| Art | Brad Milburn | First Assistant Art Direction |
| Art | Alexander Melvin | First Assistant Art Direction |
| Art | Ben Turnbull | Second Assistant Art Director |
| Editing | Dawn M. Stoliar | First Assistant Editor |
| Sound | Michelle Pazer | ADR Editor |
| Sound | Kris Fenske | Sound Effects Editor |
| Directing | Shane B. Scott | Script Supervisor |
| Production | Coco Kleppinger | Casting Associate |
| Production | Stephanie Gorin | Local Casting |
| Sound | Rob Beal | Sound Mixer |
| Editing | Peter S. Elliot | Additional Editor |
| Sound | Bill R. Dean | Supervising Sound Editor |
| Sound | Jessie Pariseau | Sound Effects Editor |
| Crew | Lisa Shamata | Unit Publicist |
| Directing | Craig Seitz | Third Assistant Director |
| Costume & Make-Up | Ann Steel | Assistant Costume Designer |
| Costume & Make-Up | Nathalie Gysel | Costumer |
| Costume & Make-Up | Linda Dowds | Makeup Artist |
| Costume & Make-Up | Carol Hartwick | Key Hair Stylist |
| Directing | William Waring | Second Unit Director |
| Art | David G. Fremlin | First Assistant Art Direction |
| Camera | Angelo Colavecchia | "A" Camera Operator |
| Camera | Matthew Reid | Second Assistant "A" Camera |
| Sound | Sylvain Arseneault | Sound Mixer |
| Sound | Randy Torres | Sound Designer |
| Sound | Michelle Pazer | Dialogue Editor |
| Sound | Randy Singer | Foley Mixer |
| Costume & Make-Up | Anita Bacic | Costumer |
| Costume & Make-Up | Christina Cattle | Costumer |
| Production | Gary Dauberman | Executive Producer |
| Production | Anna Beben | Unit Production Manager |
| Camera | Michael Carella | "B" Camera Operator |
| Costume & Make-Up | Alastair Muir | Key Makeup Artist |
| Sound | Daryl Purdy | Sound Mixer |
| Visual Effects | Randy Starr | Visual Effects Producer |
| Costume & Make-Up | Debbie Williams | Costumer |
| Costume & Make-Up | Ying Zhao | Costumer |
| Costume & Make-Up | Alec Gillis | Makeup Designer |
| Costume & Make-Up | Sondra Treilhard | Key Hair Stylist |
| Art | Sorin Popescu | First Assistant Art Direction |
| Sound | Ryan Longo | Boom Operator |
| Sound | Tim LeBlanc | Sound Re-Recording Mixer |
| Sound | Nancy Nugent | Supervising Sound Editor |
| Sound | Catherine Harper | Foley Artist |
| Costume & Make-Up | Suzanne Aplin | Costume Supervisor |
| Costume & Make-Up | Miranda Lukaniuk | Costumer |
| Costume & Make-Up | Tom Woodruff Jr. | Makeup Designer |
| Costume & Make-Up | Stephanie Ingram | Hair Designer |
| Crew | Warren Appleby | Special Effects Coordinator |
| Production | Marty P. Ewing | Unit Production Manager |
| Sound | John C. Stuver | Dialogue Editor |
| Costume & Make-Up | Oriana Rossi | Makeup Artist |
| Costume & Make-Up | Ryan Reed | Hair Department Head |
| Production | Kay Rogers | Background Casting Director |
| Visual Effects | Teresa Leong | Digital Compositor |
| Art | Jeremy Gillespie | Graphic Designer |
| Crew | Nick Alachiotis | Stunts |
| Crew | Alex Armbruster | Stunts |
| Crew | Derek Barnes | Stunts |
| Crew | Marco Bianco | Stunts |
| Crew | James Binkley | Stunts |
| Crew | Matt Birman | Stunts |
| Crew | Christine Cleary | Stunts |
| Crew | Tim Cody | Stunts |
| Crew | Neil Davison | Stunts |
| Crew | Amanda Dellapenta | Stunts |
| Crew | Dustin Faith | Stunts |
| Crew | Tom Farr | Stunts |
| Crew | Cam Fergus | Stunts |
| Crew | Steve Gagne | Stunts |
| Crew | Jason Gosbee | Stunts |
| Crew | Brayden Jones | Stunts |
| Crew | Brent Jones | Stunts |
| Crew | Brook Jones | Stunts |
| Crew | Ciara Jones | Stunts |
| Crew | Dana Jones | Stunts |
| Crew | Kelly Jones | Stunts |
| Crew | Dennis Lafond | Stunts |
| Crew | Daniel Lavigne | Stunts |
| Crew | Torianna Lee | Stunts |
| Crew | Patrick Mark | Stunts |
| Crew | Cotton Mather | Stunts |
| Crew | Geoff Meech | Stunts |
| Crew | Regan Moore | Stunts |
| Crew | Daryl Patchett | Stunts |
| Crew | Edward A. Queffelec | Stunts |
| Crew | Aj Risi | Stunts |
| Crew | Vincent Rother | Stunts |
| Crew | Steve 'Shack' Shackleton | Stunts |
| Crew | Geoff Scovell | Stunts |
| Crew | Dan Skene | Stunts |
| Crew | John Stead | Stunts |
| Crew | Amy Szoke | Stunts |
| Crew | Al Vrkljan | Stunts |
| Crew | Wayne Wells | Stunts |
| Sound | Mark Purcell | Sound Mix Technician |
| Visual Effects | Danielle Carney | Visual Effects Coordinator |
| Visual Effects | Amanda H. Campbell | Visual Effects Coordinator |
| Visual Effects | Cole Darby | Visual Effects Coordinator |
| Production | Candace Tempelmeyer | First Assistant Accountant |
| Camera | Richard Emerson | Key Grip |
| Art | John Mackenzie | Construction Coordinator |
| Crew | Roberto Campanella | Choreographer |
| Editing | Stephen Nakamura | Digital Intermediate Colorist |
| Editing | Vanessa Galvez | Digital Intermediate Producer |
| Visual Effects | Josh Simmonds | Visual Effects Supervisor |
| Visual Effects | Ineke Majoor | Visual Effects Producer |
| Crew | Warren Appleby | In Memory Of |
| Visual Effects | Brooke Lyndon-Stanford | Visual Effects Supervisor |
| Production | Liam Kiernan | Assistant Location Manager |
