Nicole Jaffe
Velma Dinkley (voice) (archive footage)
Acting
Casey Kasem
Norville 'Shaggy' Rogers / Robin (voice) (archive footage)
Acting
Don Messick
Scooby-Doo / Professor Flakey (voice) (archive footage)
Acting
Heather North
Daphne Blake (voice) (archive footage)
Acting
Frank Welker
Fred Jones (voice) (archive footage)
Acting
Olan Soule
Batman (voice) (archive footage)
Acting
Ted Knight
The Penguin / Troll (voice) (archive footage)
Acting