The Mystery Inc. gang takes a trip to Japan and finds themselves circling Asia and the Pacific in a treasure hunt, racing against the vengeful Black Samurai and his Ninja warriors to find the legendary Sword of Fate, an ancientblade fabled to possess extraordinary supernaturalpowers.
| Actor | Role |
|---|---|
 Casey KasemShaggy (voice) | Shaggy (voice) |
 Frank WelkerFred / Scooby-Doo (voice) | Fred / Scooby-Doo (voice) |
 Grey DeLisleDaphne (voice) | Daphne (voice) |
 Mindy CohnVelma (voice) | Velma (voice) |
 Kelly HuMiyumi / Miss Mirimoto (voice) | Miyumi / Miss Mirimoto (voice) |
 Kevin Michael RichardsonSojo / The Black Samurai (voice) | Sojo / The Black Samurai (voice) |
 Brian CoxGreen Dragon (voice) | Green Dragon (voice) |
 Sab ShimonoMr. Takagawa (voice) | Mr. Takagawa (voice) |
 Keone YoungMatsuhiro (voice) | Matsuhiro (voice) |
 Gedde WatanabeKenji (voice) | Kenji (voice) |
 George TakeiOld Man Samurai (voice) | Old Man Samurai (voice) |