Sonny Quinn
Sarah Quinn
Sam
Kathey Quinn
Mr. Chu
Walter
Tyler
Tommy
Mrs. Carter
Cooper
Derek
Jess
Maya
Tyler's Crew
Vanessa
Terrified Parent Monster-Mr. Rennie
Sam's Father
Mrs. Hoover
Paramedic- TJ
Pharmacist
Nana
Science Award Presenter-Principal Harrison
Monster Bride
Dead Pirate
Cyborg
Alien
Mummy
Day of the Dead Lady
Goblin
Banshee
Red Haired Ghoul
Vampire
Scarecrow
Royal Mummy
Slappy (voice)
R. L. Stine (uncredited)
Club Goer / Highschool Student (uncredited)
Middle School Student (uncredited)
Middle School Kid (uncredited)
Trick or Treater (uncredited)
Terry / Angry Pumpkin (voice) (uncredited)
Teacher in Hole (uncredited)
Party Goer (uncredited)
Trick-or-Treater (uncredited)
Monster (uncredited)
School Teacher (uncredited)
Cowgirl Trick-or-Treater (uncredited)
Middle Schooler (uncredited)
Middle School Principal (uncredited)
(uncredited)
Cheerleader