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