 Kouhei HiguchiTaro Momoi / Don Momotaro | Taro Momoi / Don Momotaro |
 Yuuki BeppuShinichi Saruhara / SaruBrother | Shinichi Saruhara / SaruBrother |
 Kohaku ShidaHaruka Kitou / OniSister | Haruka Kitou / OniSister |
 TotaroTsubasa Inuzuka / InuBrother | Tsubasa Inuzuka / InuBrother |
 Hirofumi SuzukiTsuyoshi Kijino / KijiBrother | Tsuyoshi Kijino / KijiBrother |
 Raizou IshikawaJiro Momotani / Don Doragoku / Don Torabolt | Jiro Momotani / Don Doragoku / Don Torabolt |
 Yuya TominagaSonoi | Sonoi |
 Amisa MiyazakiSononi | Sononi |
 Shinnosuke TakahashiSonoza | Sonoza |
 Ayumu MuraseDon Murasame (voice) (uncredited) | Don Murasame (voice) (uncredited) |
 Hiroya MatsumotoGreat King Enma / Avataroki, Talk Show MC | Great King Enma / Avataroki, Talk Show MC |
 Win MorisakiSelf | Self |
 Kiita KomagineKaito Goshikida | Kaito Goshikida |
 Momoko ArataMiho Kijino, Natsumi Kuramochi | Miho Kijino, Natsumi Kuramochi |
 Tomoki HiroseSonoshi | Sonoshi |
 Mana TakaiSonogo | Sonogo |
 Shin KoyanagiSonoroku | Sonoroku |
 Daiki HamanoDonblaster (voice) | Donblaster (voice) |
 Romi ParkRyuko no Geki, Tiguardora (voice) | Ryuko no Geki, Tiguardora (voice) |