 Casey KasemShaggy Rogers / Sheriff (voice) (archive footage) | Shaggy Rogers / Sheriff (voice) (archive footage) |
 Frank WelkerFred Jones / Scooby-Doo (voice) (archive footage) | Fred Jones / Scooby-Doo (voice) (archive footage) |
 Nicole JaffeVelma Dinkley (voice) (archive footage) | Velma Dinkley (voice) (archive footage) |
 Arlene GolonkaDebbie (voice) (archive footage) | Debbie (voice) (archive footage) |
| DDon MessickScooby-Doo / Ghost (voice) (archive footage) | Scooby-Doo / Ghost (voice) (archive footage) |
 John StephensonGhost (voice) (archive footage) | Ghost (voice) (archive footage) |
 Grey DeLisleDaphne Blake / Dempsey (voice) (archive footage) | Daphne Blake / Dempsey (voice) (archive footage) |
 Jeff Bennett(voice) | (voice) |
 Heather NorthDaphne Blake (voice) (archive footage) | Daphne Blake (voice) (archive footage) |
 Dee Bradley BakerKeeper (voice) (archive footage) | Keeper (voice) (archive footage) |
 Mindy CohnVelma Dinkley (voice) (archive footage) | Velma Dinkley (voice) (archive footage) |
 Henry CordenGhost (voice) (archive footage) | Ghost (voice) (archive footage) |
 Michael BellMark (voice) (archive footage) | Mark (voice) (archive footage) |
 Mel BlancSpeed Buggy (voice) (archive footage) | Speed Buggy (voice) (archive footage) |
 Pat FraleyUncle Carl (voice) (archive footage) | Uncle Carl (voice) (archive footage) |