 | Kiana Madeira als Sarah Fier / Deena Johnson |
 | Ashley Zukerman als Solomon Goode / Nick Goode |
 | Gillian Jacobs als Adult Ziggy / C. Berman |
 | Olivia Scott Welch als Hannah Miller / Samantha 'Sam' Fraser |
 | Benjamin Flores Jr. als Henry Fier / Josh Johnson |
 | Darrell Britt-Gibson als Martin P. Franklin |
 | Sadie Sink als Constance / Christine 'Ziggy' Berman |
 | Emily Rudd als Abigail / Cindy Berman |
 | McCabe Slye als Mad Thomas / Tommy Slater |
 | Julia Rehwald als Lizzie / Kate Schmidt |
 | Fred Hechinger als Isaac / Simon Kalivoda |
 | Jordana Spiro als The Widow / Mary Lane |
 | Jordyn DiNatale als Ruby Lane |
 | Elizabeth Scopel als 'Real' Sarah Fier |
 | Randy Havens als George Fier |
 | Matthew Zuk als Elijah Goode / Mayor Will Goode |
 | Michael Chandler als 'The Pastor' Cyrus Miller |
 | Lacy Camp als Grace Miller / Mrs. Fraser |
 | Jeremy Ford als Caleb / Peter |
 | Patrick Roper als Union Townsman 1 |
 | Robert Bryan Davis als Union Townsman 2 |
 | Lynne Ashe als Union Townswoman |
 | Charlene Amoia als Beth Kimball / Rachel Thompson |
 | Mark Ashworth als Jakob Berman |
 | Todd Allen Durkin als The Watchman / Officer Kapinski |
 | Ryan Simpkins als Alice |
 | Noah Bain Garret als Skull Mask |
 | Keil Oakley Zepernick als 'Shame Killer' Isaac Milton |
 | Emily Brobst als Billy Barker |
 | Kevin Waterman als 'The Milkman' Harry Rooker |
 | Ted Sutherland als Young Nick Goode |
 | Lloyd Pitts als Nightwing Killer |
 | Daniel Thomas May als Officer Kuzio |
| Meghan Packer als TV Anchor |
 | Nilah Blasingame als Highschool Kid |
| Rachel Doman als Queen of Air and Darkness Girl |
 | Maya Hawke als Heather Watkins (archive footage) (uncredited) |
| Leigh Janiak | Director |
| R.L. Stine | Book |
| Leigh Janiak | Writer |
| Phil Graziadei | Writer |
| Peter Chernin | Producer |
| Kate Trefry | Writer |
| Kori Adelson | Producer |
| Leigh Janiak | Executive Producer |
| David Ready | Producer |
| Jenno Topping | Producer |
| Doug Torres | Co-Producer |
| Caleb Heymann | Director of Photography |
| Rachel Goodlett Katz | Editor |
| Carmen Cuba | Casting |
| Scott Kuzio | Production Design |
| Sean Brennan | Art Direction |
| Amanda Ford | Costume Design |
| Marco Beltrami | Original Music Composer |
| Anna Drubich | Original Music Composer |
| Steve C. Aaron | Production Sound Mixer |
| Scott Cannizzaro | ADR Mixer |
| Jason Charbonneau | Foley Artist |
| Allan Cox | Boom Operator |
| Jason Dotts | Supervising Dialogue Editor |
| Jason Dotts | ADR Editor |
| Trevor Gates | Supervising Sound Editor |
| Matthew Thomas Hall | Sound Effects Editor |
| Kristen Hirlinger | Dialogue Editor |
| Paul B. Knox | Sound Effects Editor |
| Tony Lamberti | Sound Re-Recording Mixer |
| Russell Topal | Foley Editor |
| Russell Topal | Sound Effects Editor |
| Randy Wilson | Foley Mixer |
| Ellen Arden | Makeup Department Head |
| Amanda Bianchi | Key Makeup Artist |
| Jessica Craig | Makeup Artist |
| Nathen Cavins | Special Effects Technician |
| Justyn David Miller | Special Effects Technician |
| Jeffery D. Woodrel | Special Effects Coordinator |
| Jon Balcome | CG Supervisor |
| Geoffrey Basquin | Visual Effects |
| Zack Beshears | Visual Effects Editor |
| Louise Corry | Visual Effects Coordinator |
| Wes Dorough | Visual Effects Producer |
| Thomas F. Ford IV | Visual Effects Producer |
| Alexa Furr | Visual Effects Coordinator |
| Christina Graff | Visual Effects Producer |
| Tiffany Herzog | Visual Effects Coordinator |
| Beth Howe | Visual Effects Producer |
| Jiwoong Kim | Visual Effects Supervisor |
| Cynthia Mourou | Visual Effects Producer |
| Mohit Pal | Visual Effects |
| Suzanne C. Robertson | Visual Effects Coordinator |
| Timothy M. Bourne | Executive Producer |
| Yvonne M. Bernard | Executive Producer |
| Joan Waricha | Executive Producer |
| Jane Stine | Executive Producer |
| Paul Graff | VFX Supervisor |
| Nora Felder | Music Supervisor |
| Lindsay Wolfington | Music Supervisor |
| Jeffrey Harlacker | Co-Producer |
| Timothy M. Bourne | Unit Production Manager |
| Doug Torres | First Assistant Director |
| Megan Schmidt | Second Assistant Director |
| Katye Kalivoda | Second Second Assistant Director |
| Heath M. Howard | Associate Producer |
| Alan D'Antoni | Stunt Coordinator |
| Jess Royal | Set Decoration |
| Mallorie Coleman | Set Decoration Buyer |
| Nick Forman | Set Dresser |
| Clarissa Mobley | Set Dresser |
| John Moredock | Set Designer |
| John Thigpen | Set Designer |
| Troy Nicely | Set Costumer |
| Rashante Lee-Seaborn | Set Costumer |
| Corey Pinchoff | Casting Assistant |
| Christopher Allen Nelson | Makeup Effects Designer |
| Christopher Allen Nelson | Special Effects Makeup Artist |
| Mark James Ross | Special Effects Key Makeup Artist |
| LuAndra Whitehurst | Special Effects Key Makeup Artist |
| Isabelle Fretheim | Stunt Double |
