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)