 | Jamie Lee Curtis als Laurie Strode |
 | Judy Greer als Karen Nelson |
 | Andi Matichak als Allyson Nelson |
 | James Jude Courtney als The Shape |
 | Nick Castle als The Shape |
 | Airon Armstrong als The Shape (1978) |
 | Will Patton als Officer Hawkins |
 | Thomas Mann als Young Hawkins |
 | Jim Cummings als Pete McCabe |
 | Dylan Arnold als Cameron Elam |
 | Robert Longstreet als Lonnie Elam |
 | Anthony Michael Hall als Tommy Doyle |
 | Charles Cyphers als Leigh Brackett |
 | Scott MacArthur als Big John |
 | Michael McDonald als Little John |
 | Ross Bacon als Tivoli |
 | Kyle Richards als Lindsey Wallace |
 | Nancy Stephens als Marion Chambers |
 | Diva Tyler als Sondra |
 | Lenny Clarke als Phil |
| Brian Mays als Brian the Bartender |
 | Michael Smallwood als Marcus |
 | Carmela McNeal als Vanessa |
 | Omar J. Dorsey als Sheriff Barker |
| Damien Lee als Concerned Brother |
| Salem Collins als Christy |
| Giselle Witt als Mindy |
 | J. Gaven Wilde als Dennis |
| Tom Jones Jr. als Dr. Samuel Loomis |
| Colin Mahan als Dr. Samuel Loomis (voice) |
| Trenell Mooring als Laurie's EMT |
 | Troy Rudeseal als Laurie's EMT |
 | Brian F. Durkin als Deputy Graham |
| Andrea Levesque als Singing Triplet |
| Arianna Levesque als Singing Triplet |
| Athena Levesque als Singing Triplet |
| Tristian Eggerling als Young Lonnie Elam |
| Beth Felice als Eyewitness |
| Mark Versnick als Head Surgeon |
 | Jennifer Trudrung als Hysterical Woman |
 | Drew Scheid als Oscar |
 | Holli Saperstein als Oscar's Mom |
| Jonathan Bruce als News Reporter |
| Mike Dupree als Ventriloquist |
| Naomi Ansano als Heartbroken Woman |
| Kelvin Hargrove als Heartbroken Woman's Orderly |
 | Nicholas Pryor als Morgue Doctor |
| James Northrup als Mob Doctor |
| Elaine Nalee als Helpful Neighbor |
| Steven Foertsch als Bar Voice (voice) |
| Tatiyana Hill als Bar Voice (voice) |
| Michael Mercaldi als Bar Voice (voice) |
 | Salem Murphy als Hawkin's Doctor |
 | Shayla Bagir als Hawkin's Doctor |
 | Shane Donovan Lewis als 1978 trick-or-treater |
| Jessica Arden Napier als 1978 trick-or-treater |
| Ella Dorsch als 1978 trick-or-treater |
 | Ryan Lewis als Deputy Sullivan |
 | Jacob Keohane als Deputy Tobias |
 | Charlie Benton als Officer Richards |
| Christian Michael Pates als Young Michael Myers |
| Willie Raysor als Desk Clerk |
| Lauren Williams als OP Nurse |
| Aaron Ashlock als Hawkin's EMT |
| Angela Emerson als Onlooker |
| Drew Broderick als Onlooker |
| Ni'amoni Bagley als Onlooker |
| Jason Garay als Laurie's Nurse |
| Craig Newkirk als Allyson's EMT |
 | Jibrail Nantambu als Julian |
 | P.J. Soles als Lynda |
 | Bob Odenkirk als Bob |
 | Nancy Kyes als Annie Brackett (archive footage) (uncredited) |
 | Tony Moran als Michael Myers (1978) (archive footage) (uncredited) |
 | Haluk Bilginer als Dr. Ranbir Sartain (archive footage) (uncredited) |
| Jason Blum | Producer |
| Debra Hill | Characters |
| John Carpenter | Characters |
| David Gordon Green | Director |
| Jamie Lee Curtis | Executive Producer |
| Michael Simmonds | Director of Photography |
| Malek Akkad | Producer |
| Bill Block | Producer |
| John Carpenter | Executive Producer |
| Ryan Freimann | Executive Producer |
| David Gordon Green | Executive Producer |
| Danny McBride | Executive Producer |
| Couper Samuelson | Executive Producer |
| Rick Osako | Co-Producer |
| Ryan Turek | Co-Producer |
| Jeanette Volturno | Executive Producer |
| Atilla Salih Yücer | Co-Producer |
| John Carpenter | Music |
| Timothy Alverson | Editor |
| Sarah Domeier Lindo | Casting |
| Terri Taylor | Casting |
| Richard A. Wright | Production Design |
| Elliott Glick | Art Direction |
| Matthew Sullivan | Set Decoration |
| Emily Gunshor | Costume Design |
| Elisa Acevedo | Hairstylist |
| Lisa Duvall | Assistant Makeup Artist |
| Lisa Duvall | Special Effects Makeup Artist |
| Patricia McAlhany Glasser | Hair Department Head |
| Devin Shayla Morales | Key Makeup Artist |
| Bryan David Moss | Key Hair Stylist |
| Sandra S. Orsolyak | Makeup Department Head |
| Rick Pour | Makeup Artist |
| Mark James Ross | Makeup Effects |
| Vincent Van Dyke | Special Effects Makeup Artist |
| Laura Altmann | Production Supervisor |
| Sean Gowrie | Unit Production Manager |
| Rick Osako | Unit Production Manager |
| Justin Dybowski | Additional Second Assistant Director |
| Teddy Gibbons | Second Second Assistant Director |
| Phil Yarbor | Second Assistant Director |
| Atilla Salih Yücer | Second Unit Director |
| Adam Cameron | Leadman |
| Brody Docar | On Set Dresser |
| Warren Drummond | Storyboard Artist |
| Mick Flowers | Property Master |
| John Ganey Jr. | Greensman |
| Barbara Efthymiou Harris | Art Department Coordinator |
| Tom Jones Jr. | Construction Coordinator |
| Cindy Mah | Assistant Property Master |
| Lauren L. Martin | Art Department Production Assistant |
| Gary Naylor | Assistant Art Director |
| Caroline Quinn | Set Designer |
| Tamra Scott | Graphic Designer |
| Murray Steele | Scenic Artist |
| Aimee Sullivan | Props |
| Rachel Wilkin | Set Decoration Buyer |
| Melissa Wooten | Assistant Property Master |
| Davi Aquino | Foley Recordist |
| Rich Bologna | Sound Designer |
| Rich Bologna | Supervising Sound Editor |
| C. Douglas Cameron | Boom Operator |
| Ryan Cole | Dialogue Editor |
| Christof Gebert | Production Sound Mixer |
| Lee Gilmore | Sound Effects Editor |
| Jack Heeren | Foley Mixer |
| P.K. Hooker | Sound Designer |
| P.K. Hooker | Supervising Sound Editor |
| Polly McKinnon | Dialogue Editor |
| Michael Miller | ADR Mixer |
| Igor Nikolic | Foley Supervisor |
| Joel Reidy | Boom Operator |
| Andrew Twite | Sound Effects Editor |
| Matt Yocum | Sound Effects Editor |
| Heath Hood | Special Effects Coordinator |
| Robert 'Lucky' Rieker | Special Effects Technician |
| Brian Adler | Visual Effects |
| Matt Akey | Executive Visual Effects Producer |
| Josh Azzopardi | Digital Compositor |
| Alex Dreiblatt | Compositor |
| Will Hackett | Compositor |
| Jess Hunt | Compositor |
| Simon Maddison | Visual Effects Supervisor |
| Toby Morgan | Visual Effects Technical Director |
| Elias Saliba | Digital Compositor |
| Leo Kei Angelos | Stunts |
| Airon Armstrong | Stunt Coordinator |
| Miles Brew | Stunts |
| Charley Brucato | Stunts |
| Scott Burik | Stunts |
| Jared Burke | Stunts |
| Mike Burke | Stunt Driver |
| Dan Dargan Carter | Stunts |
| George B. Colucci Jr. | Stunts |
| Harry Corrigan | Stunts |
| Jake Eavey | Stunts |
| Peter Epstein | Stunts |
| Stefanie Flores | Stunts |
| Shane Geraghty | Utility Stunts |
| Becca GT | Stunt Double |
| Greg Harvey | Stunts |
| Robert Lee Harvey | Utility Stunts |
| Niahlah Hope | Stunt Double |
| Stephen Izzi | Utility Stunts |
| G. Peter King | Stunts |
| Joanne Lamstein | Stunts |
| Dean Lyons | Stunt Driver |
| Samantha MacIvor | Stunts |
| Alexa Marcigliano | Stunts |
| John Vincent Mason | Stunt Driver |
| Anthony Mecca | Stunts |
| Dino Muccio | Stunts |
| Ashley Pynn | Stunts |
| Rachel Hoffpauir | Stunt Double |
| Ben Rezendes | Stunt Double |
| Dejay Roestenberg | Stunts |
| Noah Schultz | Stunts |
| David Shumbris | Stunt Double |
| Matt Triplett | Utility Stunts |
| Sonja Wajih | Stunt Double |
| Patrick M. Walsh | Stunts |
| Alan Aldridge | First Assistant Camera |
| Andy Bader | Digital Imaging Technician |
| Ian Brambell | Electrician |
| Matthew Brookman | Rigging Gaffer |
| Adrienne Brown | Rigging Grip |
| Paul Daley | Camera Operator |
| Lee Donaldson | Key Grip |
| Ryan Green | Still Photographer |
| Ryan Huston | Lighting Technician |
| Sarah Kibby | Best Boy Electric |
| Brian Knox | Best Boy Grip |
| Jeremy Lee | Rigging Grip |
| John C. Lehman | Steadicam Operator |
| Seth Lewis | Second Assistant Camera |
| Neil Orchard | Best Boy Electric |
| Kyle Perritt | Lighting Technician |
| Robby Poisella | Electrician |
| Mike Repeta | Additional Camera |
| Emily Rudy | Second Assistant Camera |
| Darius Shamir | BTS Footage |
| Justin Simpson | First Assistant "A" Camera |
| Will Sredzienski | Electrician |
| Bennett Todd | Grip |
| Dylan Trivette | Epk Camera Operator |
| Daniel Williams | Electrician |
| Ally Conover | Casting Associate |
| Tona B. Dahlquist | Extras Casting |
| Dann Fink | ADR Voice Casting |
| Tess League | Casting Assistant |
| Lilly Tyson | Casting Assistant |
| John Williams | Locale Casting Director |
| Bruce Winant | ADR Voice Casting |
| Dalia Dalili | Set Costumer |
| Derek Larsen | First Assistant Editor |
| Margaret Lewis | Digital Intermediate Producer |
| Tom Poole | Senior Colorist |
| David Schreiner | Dailies Technician |
| Ben Simpkins | Post Production Coordinator |
| Jake White | Color Assistant |
| Ryan Stuart Burns | Location Scout |
| Kale Murphy | Location Manager |
| David Grant | Assistant Location Manager |
| Lawrence Zipf | Sound Effects Editor |
| Paul Urmson | Sound Re-Recording Mixer |
| Jennifer Chavez | Makeup Artist |
| Gina Baran | Hairstylist |
| Jennifer McCollom | Makeup Artist |
| Cece Verardi | Makeup Artist |
| Courtenay Cooper | Visual Effects Producer |
| Cody Carpenter | Music |
| Daniel Davies | Music |
| Leo Kei Angelos | Utility Stunts |
| Christopher Allen Nelson | Makeup Effects Designer |
| Scott Teems | Writer |
| Danny McBride | Writer |
| David Gordon Green | Writer |
| Aaron Vexler | Stunts |
| Hannah Scott | Stunts |
