Tim Curry
Ben Ravencroft (voice)
Frank Welker
Fred (voice)
Mary Kay Bergman
Daphne (voice)
Tress MacNeille
Sarah Ravencroft (voice)
Peter Renaday
Mr. McKnight (voice)
Jane Wiedlin
Dusk (voice)
Kimberly Brooks
Luna (voice)
Scott Innes
Scooby-Doo / Shaggy (voice)
Neil Ross
Mayor (voice)
Jennifer Hale
Thorn (voice)
B.J. Ward
Velma (voice)
Bob Joles
Jack (voice)