Shaggy Rogers (voice) (archive footage)
Casey Kasem
Daphne Blake (voice) (archive footage)
Indira Stefanianna
Additional Voices (voice) (archive footage)
Janet Waldo
Velma Dinkley (voice) (archive footage)
Nicole Jaffe
Scooby-Doo (voice) (archive footage)
Don Messick
Vic Perrin
Fred Jones (voice) (archive footage)
Frank Welker
John Stephenson
Fortune Teller (voice) (archive footage)
June Foray
(voice) (archive footage)
Jean Vander Pyl