 | Katie Stevens als Harper |
 | Will Brittain als Nathan |
 | Lauryn McClain als Bailey |
 | Shazi Raja als Angela |
 | Andrew Lewis Caldwell als Evan |
 | Schuyler Helford als Mallory |
 | Chaney Morrow als Ghost |
 | Damian Maffei als Devil |
 | Terri Partyka als Witch |
| Justin Marxen als Clown |
| Justin Rose als Vampire |
| Schuyler White als Zombie |
 | Samuel Hunt als Sam |
 | Rajiim A. Gross als Bouncer |
 | Phillip Johnson Richardson als Ty Hoffman |
 | Calvin David Jones III als Halloween Party Goer |
 | Karli Hall als Nurse |
| Brent Geisler als DJ Poltergeis |
 | Briana Tedesco als Young Harper |
| Nancy Nayor | Casting |
| Todd Garner | Producer |
| Eli Roth | Producer |
| Austin Gorg | Production Design |
| T.J. White | Stunt Coordinator |
| Marc Schaberg | Executive Producer |
| Ryan Samul | Director of Photography |
| Doug Turner | First Assistant Director |
| Jeremy Stein | Executive Producer |
| Terel Gibson | Editor |
| Hugo Villasenor | Prosthetic Designer |
| Scott Beck | Director |
| Scott Beck | Writer |
| Bryan Woods | Director |
| Bryan Woods | Writer |
| Jon D. Wagner | Executive Producer |
| Jon D. Wagner | Unit Production Manager |
| David Van Dyke | Visual Effects Supervisor |
| Chris Bridges | Prosthetic Designer |
| Mac Smith | Supervising Sound Editor |
| Chris Polczinski | Sound Mixer |
| Mark Fasano | Producer |
| Nick Meyer | Executive Producer |
| Sean Robins | Executive Producer |
| Jose Marra | Visual Effects Supervisor |
| Steve Tolin | Special Effects Coordinator |
| Jaclyn Laravie | Key Costumer |
| Nancy Collini | Costume Design |
| Marcin Kolendo | Visual Effects Supervisor |
| Vishal Rungta | Producer |
| Ankur Rungta | Producer |
| Anna Richardson | Makeup Artist |
| Scott H. Reeder | Hair Department Head |
| Alan Forbes | Location Manager |
| Jodi Byrne | Makeup Department Head |
| Robin Fields | Costume Supervisor |
| Remington Steele | Stunt Double |
| Nicole Marines | Stunt Double |
| Jessie Fisher | Stunts |
| Annie Mahoney | Production Coordinator |
| Kay Wolfley | Set Decoration |
| Jason Perrine | Art Direction |
| Rachel Bayer | Key Hair Stylist |
| Tobias Weymar | Executive Producer |
| tomandandy | Original Music Composer |
| Claire Gryce | On Set Dresser |
| Josie Liang | Executive Producer |
| Kyle Roberts | Sculptor |
| Shai Debroux | Stunt Double |
| Kelsey Forren | Script Supervisor |
| Tami Kumin | Second Assistant Director |
| Jason Cekanski | Stunt Double |
| Casey Shelton | Second Second Assistant Director |
