
92 minutes
11/13/1988
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
as Shaggy Rogers (voice)

Don Messick
as Scooby-Doo / Scrappy-Doo (voice)

B.J. Ward
as Googie / Repulsa (voice)

Hamilton Camp
as Dracula (voice)

Pat Musick
as Vanna Pira (voice)

Rob Paulsen
as Brunch (voice)

Frank Welker
as Crunch (voice)

Jim Cummings
as Frankenstein / Skull Head / Genghis Kong (voice)

Brian Stokes Mitchell
as Bonejangles (voice)

Ed Gilbert
as Dr. Jackyll / Mr. Snyde (voice)

Alan Oppenheimer
as Mummy (voice)
Joan Gerber
as Dreadonia Witch / Woman at Store (voice)
Mimi Seaton
as Screamer (voice)
Sven Libaek
as "The Werewolf Rock" Singer (uncredited voice)