Shaggy is turned into a werewolf, and it's up to Scooby, Scrappy and Shaggy's girlfriend to help him win a race against other monsters, and become human again.
Casey Kasem
Shaggy Rogers (voice)
Don Messick
Scooby-Doo / Scrappy-Doo (voice)
B.J. Ward
Googie / Repulsa (voice)
Hamilton Camp
Dracula (voice)
Pat Musick
Vanna Pira (voice)
Rob Paulsen
Brunch (voice)
Frank Welker
Crunch (voice)
Jim Cummings
Frankenstein / Skull Head / Genghis Kong (voice)
