Trailer
Images
 | Jeremy Ray Taylor as Sonny Quinn |
 | Madison Iseman as Sarah Quinn |
 | Caleel Harris as Sam |
 | Wendi McLendon-Covey as Kathey Quinn |
 | Ken Jeong as Mr. Chu |
 | Jack Black as R. L. Stine (uncredited) |
 | Chris Parnell as Walter |
 | Bryce Cass as Tyler |
 | Peyton Wich as Tommy |
 | Shari Headley as Mrs. Carter |
 | Christian Finlayson as Cooper |
 | Matthew Jose Vasquez as Derek |
 | Courtney Lauren Cummings as Jess |
 | Jessi Goei as Maya |
 | Drew Scheid as Tyler's Crew |
 | Tyler Silva as Tyler's Crew |
 | Sydney Bullock as Vanessa |
| Jason Looney as Terrified Parent Monster-Mr. Rennie |
 | Kendrick Cross as Sam's Father |
 | Deja Dee as Mrs. Hoover |
| Brick Jackson as Paramedic- TJ |
| Krishnan Viren Patel as Pharmacist |
| Hallie Jackson as Nana |
 | R.L. Stine as Science Award Presenter-Principal Harrison |
| Katharine C. Lumpkin as Monster Bride |
| Kent Wagner as Dead Pirate |
| Marsha Shackelford as Cyborg |
| Barry W. Jerald Jr. as Alien |
| Mary Tricia Froedge as Mummy |
| Robert Hunt as Mummy |
| Martin Skyler as Mummy |
| Grace Toso as Mummy |
| Calvin Wickham as Mummy |
| Taylor Williams as Mummy |
| Iyani Gwendolyn as Day of the Dead Lady |
| Cheniqua Litchmore as Day of the Dead Lady |
| Hali J. Ross as Day of the Dead Lady |
| Joe Marri as Goblin |
| Cody Jenkins as Goblin |
| Sherri Millican as Banshee |
| Scott Millican as Red Haired Ghoul |
| Joseph N. Hardin as Vampire |
| Alex T. Hill as Scarecrow |
| Benjamin Bladon as Royal Mummy |
 | Mick Wingert as Slappy (voice) |
| Braylon Andrews as Club Goer / Highschool Student (uncredited) |
| Kaitlyn Bishop as Middle School Student (uncredited) |
| Jasmine Bolton as Middle School Kid (uncredited) |
| Raphael Dante' Carr Jr. as Trick or Treater (uncredited) |
 | Darin De Paul as Terry / Angry Pumpkin (voice) (uncredited) |
 | Suehyla El-Attar as Teacher in Hole (uncredited) |
| Gavrielle Anne Fontanilla as Trick or Treater (uncredited) |
| Natsuki Hirota as Party Goer (uncredited) |
| Lacy Hudson as Trick-or-Treater (uncredited) |
| Catherine Jerald as Monster (uncredited) |
| Sawyer Jones as Trick-or-Treater (uncredited) |
| Serene Lee-Sng as School Teacher (uncredited) |
| Natalya MacDonald-Risner as Cowgirl Trick-or-Treater (uncredited) |
| Gracie Marcellus as Middle Schooler (uncredited) |
| Shaun McMillan as Middle School Principal (uncredited) |
 | Ben O'Brien as (uncredited) |
| Production | |
| Deborah Forte | Producer |
| Neal H. Moritz | Producer |
Writing | |
| R.L. Stine | Novel |
Directing | |
| Ari Sandel | Director |
Writing | |
| Rob Lieber | Screenplay |
Production | |
| Rich Delia | Casting |
Art | |
| Rusty Smith | Production Design |
Costume & Make-Up | |
| Salvador Pérez Jr. | Costume Design |
| Adruitha Lee | Hair Department Head |
Camera | |
| Barry Peterson | Director of Photography |
Sound | |
| Dominic Lewis | Original Music Composer |
Editing | |
| David Rennie | Editor |
| Keith Brachmann | Editor |
Writing | |
| Rob Lieber | Story |
| Darren Lemke | Story |
