Jeremy Ray Taylor character Sonny Quinn
Madison Iseman character Sarah Quinn
Caleel Harris character Sam
Wendi McLendon-Covey character Kathey Quinn
Ken Jeong character Mr. Chu
Chris Parnell character Walter
Bryce Cass character Tyler
Peyton Wich character Tommy
Shari Headley character Mrs. Carter
Christian Finlayson character Cooper
Matthew Jose Vasquez character Derek
Courtney Lauren Cummings character Jess
Jessi Goei character Maya
Drew Scheid character Tyler's Crew
Tyler Silva character Tyler's Crew
Sydney Bullock character Vanessa
Jason Looney character Terrified Parent Monster-Mr. Rennie
Kendrick Cross character Sam's Father
Deja Dee character Mrs. Hoover
Brick Jackson character Paramedic- TJ
Krishnan Viren Patel character Pharmacist
Hallie Jackson character Nana
R.L. Stine character Science Award Presenter-Principal Harrison
Katharine C. Lumpkin character Monster Bride
Kent Wagner character Dead Pirate
Marsha Shackelford character Cyborg
Barry W. Jerald Jr. character Alien
Mary Tricia Froedge character Mummy
Robert Hunt character Mummy
Martin Skyler character Mummy
Grace Toso character Mummy
Calvin Wickham character Mummy
Taylor Williams character Mummy
Iyani Gwendolyn character Day of the Dead Lady
Cheniqua Litchmore character Day of the Dead Lady
Hali J. Ross character Day of the Dead Lady
Joe Marri character Goblin
Cody Jenkins character Goblin
Sherri Millican character Banshee
Scott Millican character Red Haired Ghoul
Joseph N. Hardin character Vampire
Alex T. Hill character Scarecrow
Benjamin Bladon character Royal Mummy
Mick Wingert character Slappy (voice)
Jack Black character R. L. Stine (uncredited)
Braylon Andrews character Club Goer / Highschool Student (uncredited)
Kaitlyn Bishop character Middle School Student (uncredited)
Jasmine Bolton character Middle School Kid (uncredited)
Raphael Dante' Carr Jr. character Trick or Treater (uncredited)
Darin De Paul character Terry / Angry Pumpkin (voice) (uncredited)
Suehyla El-Attar character Teacher in Hole (uncredited)
Gavrielle Anne Fontanilla character Trick or Treater (uncredited)
Natsuki Hirota character Party Goer (uncredited)
Lacy Hudson character Trick-or-Treater (uncredited)
Catherine Jerald character Monster (uncredited)
Sawyer D. Jones character Trick-or-Treater (uncredited)
Serene Lee-Sng character School Teacher (uncredited)
Natalya MacDonald-Risner character Cowgirl Trick-or-Treater (uncredited)
Gracie Marcellus character Middle Schooler (uncredited)
Shaun McMillan character Middle School Principal (uncredited)
Ben O'Brien character (uncredited)
