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

Casey Kasem
Shaggy Rogers (voice) (archive footage)
Acting

Grey DeLisle
Daphne Blake / Shawna (voice) (archive footage)
Acting

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

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

Mimi Rogers
Maura Ravenmane / Helga (voice) (archive footage)
Acting

Kevin Michael Richardson
Sharky Tazo / Stink Eye (voice) (archive footage)
Acting

John Stephenson
Zelig (voice) (archive footage)
Acting
![Eva Almos]()
Eva Almos
Captain Corvina Cloyd (voice) (archive footage)
Acting

John Gabriel
Dr. Armand Zola / Worker (voice) (archive footage)
Acting

Mikey Kelley
Monroe Hopper (voice) (archive footage)
Acting
![Kathy Nagler]()
Kathy Nagler
Sergeant Linda Rauch (voice) (archive footage)
Acting
![Steve Harwell]()
Steve Harwell
Steve Harwell (voice) (archive footage)
Acting

Steve Blum
Rama Yam / Spencer Johnson (voice) (archive footage)
Acting

James Arnold Taylor
Frankie Martin / Shawn (voice) (archive footage)
Acting