Don Messick
Scooby-Doo (voice) (archive footage)
Casey Kasem
Shaggy Rogers (voice) (archive footage)
Frank Welker
Fred Jones (voice) (archive footage)
Indira Stefanianna
Daphne Blake (voice) (archive footage)
Nicole Jaffe
Velma Dinkley (voice) (archive footage)
Marilyn Schreffler
(voice) (archive footage)
Michael Bell
(voice) (archive footage)
Vic Perrin
Additional Voices (voice) (archive footage) (archive footage)
Jean Vander Pyl
Additional Voices (voice) (archive footage)
Lennie Weinrib
Additional Voices (voice) (archive footage)
