Casey Kasem as Shaggy Rogers / Sheriff (voice) (archive footage)

Frank Welker as Fred Jones / Scooby-Doo (voice) (archive footage)

Nicole Jaffe as Velma Dinkley (voice) (archive footage)

Arlene Golonka as Debbie (voice) (archive footage)

Don Messick as Scooby-Doo / Ghost (voice) (archive footage)

John Stephenson as Ghost (voice) (archive footage)

Grey DeLisle as Daphne Blake / Dempsey (voice) (archive footage)

Jeff Bennett as (voice)

Heather North as Daphne Blake (voice) (archive footage)

Dee Bradley Baker as Keeper (voice) (archive footage)

Mindy Cohn as Velma Dinkley (voice) (archive footage)

Henry Corden as Ghost (voice) (archive footage)

Michael Bell as Mark (voice) (archive footage)

Mel Blanc as Speed Buggy (voice) (archive footage)

Pat Fraley as Uncle Carl (voice) (archive footage)