Kotaro
Main
Voz: Sanae Kobayashi
Papuwa
Main
Voz: Motoko Kumai
Liquid
Main
Voz: Hiroki Takahashi
Chappy
Main
Voz: Kappei Yamaguchi
Itou
Main
Voz: Mugihito
Shintaro
Main
Voz: Kousuke Toriumi
Toshizou Hijikata
Supporting
Voz: Tooru Ookawa
Souji Okita
Supporting
Voz: Shoutarou Morikubo
Isami Kondou
Supporting
Umako Harada
Supporting
Voz: Kouji Ishii
Gunma
Supporting
Voz: Kappei Yamaguchi
Komoro
Supporting
Voz: Takehito Koyasu
Oshoudani
Supporting
Voz: Eiji Takemoto
Harlem
Supporting
Voz: Takehito Koyasu
Marker
Supporting
Voz: Katsuyuki Konishi
Rod
Supporting
Voz: Yoshikazu Nagano
Gustav
Supporting
Voz: Kenji Nomura
Tanno
Supporting
Voz: Masaya Takatsuka
Eguchi and Nakamura
Supporting
Voz: Atsuko Bungo
Hayashi
Supporting
Voz: Daisuke Hirakawa
Shimizu
Supporting
Voz: Kouta Nemoto
Kubota
Supporting
Takeuchi
Supporting
Voz: Kei Kobayashi
Tedzuka
Supporting
Voz: Shoutarou Morikubo
Arashiyama
Supporting
Voz: Kouji Yusa
