When the Mystery Inc. gang is invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby, Shaggy, Fred, Daphne, and Velma to uncover the truth behind the mysterious happenings.
Freddie Prinze Jr.
as Fred
Sarah Michelle Gellar
as Daphne
Matthew Lillard
as Shaggy
Linda Cardellini
as Velma
Neil Fanning
as Scooby Voice (voice)
Rowan Atkinson
as Mondavarious
Isla Fisher
as Mary Jane
Miguel A. Núñez Jr.
as Voodoo Maestro
Steven Grives
as N' Goo Tuana
Charles Stan Frazier
as Sugar Ray
Craig Bullock
as Sugar Ray
Matthew Murphy Karges
as Sugar Ray
