Scooby-Doo / Fred Jones / Motoshondu (voice) (archive footage)

Shaggy Rogers (voice) (archive footage)

Daphne Blake / Shawna (voice) (archive footage)

Velma Dinkley (voice) (archive footage)

Crunchy Granville / Fritz / Mr. Keenan (voice) (archive footage)

Maura Ravenmane / Helga (voice) (archive footage)

Sharky Tazo / Stink Eye (voice) (archive footage)

Zelig (voice) (archive footage)

Captain Corvina Cloyd (voice) (archive footage)

Dr. Armand Zola / Worker (voice) (archive footage)

Monroe Hopper (voice) (archive footage)

Sergeant Linda Rauch (voice) (archive footage)

Steve Harwell (voice) (archive footage)

Rama Yam / Spencer Johnson (voice) (archive footage)

Frankie Martin / Shawn (voice) (archive footage)