Frank Welker
Scooby-Doo / Fred Jones (voice) (archive footage)
Acting
Mindy Cohn
Velma Dinkley (voice) (archive footage)
Acting
Grey DeLisle
Daphne Blake (voice) (archive footage)
Acting
Casey Kasem
Shaggy Rogers (voice) (archive footage)
Acting
Don Messick
Scooby-Doo (voice) (archive footage)
Acting
Nicole Jaffe
Velma Dinkley (voice) (archive footage)
Acting
Indira Stefanianna
Daphne Blake (voice) (archive footage)
Acting
Jennifer Hale
Leora Lasswell (voice) (archive footage)
Acting
Jean Vander Pyl
Sarah Jenkins (voice) (archive footage)
Acting
James Arnold Taylor
Burr Batson / Champ Truman (voice) (archive footage)
Acting
Eddie Deezen
Gibby Norton (voice) (archive footage)
Acting
James Horan
Dr. Fleg / Bandit (voice) (archive footage)
Acting
Fred Tatasciore
Skeleton (voice) (archive footage)
Acting
John DiMaggio
Mike Fury (voice) (archive footage)
Acting
Frankie Ryan Manríquez
Jimmy (voice) (archive footage)
Acting
Victoria Bruno
Cindy (voice) (archive footage)
Acting
Rodger Bumpass
Announcer / Steve (voice) (archive footage)
Acting
Hal Smith
(voice) (archive footage)
Acting
Vic Perrin
(voice) (archive footage)
Acting
John Stephenson
(voice) (archive footage)
Acting