Frank Welker
Fred Jones (voice) (archive footage)
Acting
Casey Kasem
Shaggy (voice) (archive footage)
Acting
Don Messick
Scooby-Doo (voice) (archive footage)
Acting
B.J. Ward
Velma (voice) (archive footage)
Acting
Heather North
Daphne (voice) (archive footage)
Acting
Marla Frumkin
Velma (voice) (archive footage)
Acting
Indira Stefanianna
Daphne Blake (voice) (archive footage)
Acting