Mondo Zappa (voice)
Vivienne Squall (voice)
Mika Takekawa (voice)
Bryan Roses (voice)
Mondo (Kid) / Jubilee (voice)
Giant Head / Tokio (voice)
Natalia / Mondo's Mon (voice)
Moon River / A Girl (Moon River) (voice)
Robert / Dr. Walter (voice)
Alice / Alisa (voice)
TM-551 (voice)
Dolly (voice) (as Kei Shindou)
Koharu (voice)
Takeru (voice)
Scarlett (voice)
Damon (voice) (as Rintarou Nishi)
David (voice)
Hamada-Yama (voice)
Betty (voice)
Victor (voice)
Sebastian (voice)
Victor / Giant Head (voice) (as John White)
Tokio / Mondo (Kid) (voice)
Natalia / Moon River (voice) (as Evelyn Lantto)
Alice / Alisa / Koharu (voice)
Betty / Mondo's Mom (voice) (as Annie May)
David / Narrator (voice)
Vivienne / Jubilee (voice)
Bryan (voice)
Robert / Takeru (voice)
Mika / A Girl (Moon River) (voice) (as Jennifer Sekiguchi)
Scarlet / Dolly (voice)
Sebastian / TM-551 / Dr. Walter (voice) (as Bubba Chow)
Hamada-Yama / Damon (voice)