Motoko KumaiPapuwa (voice) Kappei YamaguchiChappy / Dr. Gunma (voice) Sanae KobayashiKotaro (voice) Hiroki TakahashiRikiddo (voice) Katashi IshizukaTottori (voice) Katsuyuki KonishiMaka (voice) Kei KobayashiTakeuchi (voice) Koji YusaArashiyama (voice) Koji IshiiHarada Umako (voice) Masaya TakatsukaTanno (voice) Showtaro MorikuboOkita Souji / Umigishi-kun (voice) Kouta NemotoChocolate Romance / Shimizu (voice) Daisuke HirakawaMiyagi (voice) Takehito KoyasuKomoro / Harem (voice) Kenji NomuraMagic (voice) Kenichi NishidaSeries Director Hideo TakahashiSound Director Yuko FukushimaOriginal Music Composer Yoshiko NakajimaCharacter Designer Toshiki InoueSeries Composition 
