Scooby-Doo; Shaggy; Fred; Daphne; Velma; Dragon Rider; various monster truck rally drivers, mechanics, and announcers
Synopsis
The Diesel Dragon, a fire-breathing monster truck of unknown origin – complete with a phantom driver (the Dragon Rider), creates panic and mass-destruction at a monster truck rally.
Scooby-Doo; Shaggy; Fred; Daphne; Velma; Bob and Alice (mall shoppers); three panicked mall shoppers (fleeing in a car); male zombie; Max and Jack (college students); Sheriff Burns; female zombie; other zombies; panicked movie-goers
Synopsis
An outbreak of “Virus-Z” infects the people of a college town, turning them into zombies.