 | Ryan Kiera Armstrong als Charlie McGee |
 | Zac Efron als Andy McGee |
 | Sydney Lemmon als Vicky Tomlinson-McGee |
 | Kurtwood Smith als Dr. Joseph Wanless |
 | Michael Greyeyes als John Rainbird |
 | Gloria Reuben als Captain Jane Hollister |
 | John Beasley als Irv Manders |
 | Tina Jung als Ms. Gardner |
 | Hannan Younis als Darla Gurney |
 | Gavin MacIver-Wright als Gavin |
 | Jeremy Ferdman als Eyes Man |
 | Jamillah Ross als Officer Pierce |
| Morrissa Nicole als Young Nurse |
| Sheila Boyd als Esmerelda 'Essi' Manders |
 | Darrin Maharaj als News Reporter |
 | Danny Waugh als Sheriff Perry |
 | Lanette Ware als Principal Lewis |
| Hunter Smalley als First Kid |
| Isaac Murray als Second Kid |
| Nicholas Vilord als Third Kid |
 | Vas Saranga als Agent Jules |
| Shane Marriott als Control Room Guard |
 | Moses Nyarko als Man in Street Clothes |
| Claire Armstrong als Agent Gail |
 | Xavier Lopez als Research Assistant |
| Akiva Goldsman | Producer |
| Scott Teems | Screenplay |
| Jason Blum | Producer |
| Martha De Laurentiis | Executive Producer |
| Stephen King | Novel |
| Keith Thomas | Director |
| Scott Teems | Executive Producer |
| Trevor Smale | Set Designer |
| Karim Hussain | Director of Photography |
| John Carpenter | Original Music Composer |
| Cody Carpenter | Original Music Composer |
| Daniel Davies | Original Music Composer |
| Ryan Turek | Executive Producer |
| Gregory Lessans | Executive Producer |
| J.D. Lifshitz | Executive Producer |
| Raphael Margules | Executive Producer |
| Karim Hussain | Cinematography |
| Timothy Alverson | Editor |
| Zosia Mackenzie | Production Design |
| John O'Regan | Art Direction |
| Mike Leandro | Set Decoration |
| Aline Gilmore | Costume Design |
| Dan Martin | Prosthetics |
| Lilly Tyson | Casting Assistant |
| Morgyn Johnston | Casting Associate |
| Ally Conover | Casting Associate |
| Lyndsay Pollard | Stunts |
| Daryl Patchett | Stunt Coordinator |
| Jessica Metcalf | Stunt Double |
| Jason Gosbee | Stunt Double |
| Mimi Côté | Stunt Double |
| Bernadette Couture | Stunts |
| Ruth Chiang | Stunts |
| Marie-Ève Beckers | Stunts |
| Terri Taylor | Casting |
| Sarah Domeier Lindo | Casting |
| Christopher Minos | Animation |
