Jack BlackR.L. Stine / Slappy (voice) / Invisible Boy (voice) Dylan MinnetteZach Cooper Odeya RushHannah Fairchild Jillian BellLorraine Conyers Keith Arthur BoldenPrincipal Garrison Amanda LundOfficer Brooks Timothy SimonsOfficer Stevens R.L. StineHallway Player / Roman Gabriela HernandezScreaming Girl Ashleigh Jo SizemoreMonster E. Roger MitchellMayor (uncredited) Jason DavisCyclist (uncredited) Ella WahlestedtAnna (uncredited) Amber ThrowerGoth Woman (uncredited) R.L. StineHallway Player / Roman Ben WaisbrenEksekutiv produsent Bill BannermanEksekutiv produsent Tania LandauEksekutiv produsent Greg BasserEksekutiv produsent Bruce BermanEksekutiv produsent Andrew WhiteArt Direction Patrick M. Sullivan Jr.Art Direction Sean HaworthProduction Design Frank GallineSet Decoration Javier AguirresarobeDirector Of Photography Judianna MakovskyCostume Design Adruitha LeeHair Department Head Phyllis TempleKey Makeup Artist Fionagh CushMakeup Department Head Leighton BowersAssistant Costume Designer Nick ScaranoCostume Supervisor Ashley Marie ParkerCostumer Elizabeth RobinsonKey Hair Stylist G.A. AguilarSecond Unit Director Dawn MassaroSecond Assistant Director Valeria Migliassi CollinsManusveileder Debra L. TennantAdditional Editing Joshua KirchmerAssistant Editor Beau BordersSound Re-Recording Mixer James PetersonBoom Operator Nancy Nugent TitleSupervising Dialogue Editor Denise OkimotoMusic Editor Jonathan KleinFoley Supervisor Kevin O'ConnellSound Re-Recording Mixer Ethan Van der RynSupervising Sound Editor John MarquisSupervising Sound Editor Jesse RosenmanAssistant Sound Editor Randy K. SingerFoley Mixer Bob KelloughSound Effects Editor Polly McKinnonSupervising Adr Editor Jason W. JenningsLyddesigner Brian PriceExecutive Producer's Assistant Nicole Abellera HallmanCasting Anna P. McCarthyCasting Assistant Maida N. MorganLocation Manager Daniel WoodsProduction Secretary Steve CainasProduction Coordinator Haley SweetProduction Supervisor Tracy KilpatrickLocal Casting Dylan JuryCasting Associate Neville PageCreature Design Eric RylanderSpecial Effects Supervisor Erik NordbyVisual Effects Supervisor Carlos HuanteCreature Design Justin FieldsCreature Design Eve Levasseur-MarineauVfx Artist Robert WinterVisual Effects Supervisor Pete DionneVisual Effects Supervisor 
