| Papuwa | Kumai Motoko |
| Chappy | Yamaguchi Kappei |
| Kotarou/Rotarou | Kobayashi Sanae |
| Liquid | Takahashi Hiroki |
| Liquid (Young) | Kurumado Akiko |
| Shintarou | Toriumi Kousuke |
| Kintarou | Itou Kentarou |
| Harem | Koyasu Takehito |
| Marker | Konishi Katsuyuki |
| Marker (Young) | Kobayashi Kei |
| Rod | Nagano Yoshikazu |
| G | Nomura Kenji |
| G (Young) | Hibino Akari |
| Magic | Nomura Kenji |
| Arashiyama | Yusa Kouji |
| Miyagi | Hirakawa Daisuke |
| Tottori | Ishizuka Katashi |
| Kouji | Takemoto Eiji |
| Kouji (Young) | Bungo Atsuko |
| Gunma | Yamaguchi Kappei |
| Kondou Isami | Ugaki Hidenari |
| Hijikata Toshizou | Ookawa Tooru |
| Harada Umako | Ishii Kouji |
| Okita Souji | Morikubo Shoutarou |
| Ito | Mugihito |
| Tanno | Takatsuka Masaya |
| Eguchi | Bungo Atsuko |
| Nakamura | Kurumado Akiko |
| Komoro | Koyasu Takehito |
| Oshoudani | Takemoto Eiji |
| Yamagishi | Ishizuka Katashi |
| Shimizu | Nemoto Kouta |
| Hayashi | Hirakawa Daisuke |
| Kamui | Mugihito |
| Tedzuka | Morikubo Shoutarou |
| Takeuchi | Kobayashi Kei |
| Umigishi | Morikubo Shoutarou |
| Ifuku | Hibino Akari |
| Great Man God | Nagano Yoshikazu |
| Cormorant of the Nagara River | Yusa Kouji |
| Kimura | Yusa Kouji |
| Ginji | Nomura Kenji |
| Takeda | Nemoto Kouta |
| Tiramisu | Harada Masao |
| Chocolate Romance | Nemoto Kouta |
| Donta | Harada Masao |
| Fujii <UNCREDITED ROLE> | Konishi Katsuyuki |
| Jokkaa <UNCREDITED ROLE> | Kobayashi Sanae |
| Ganma Troop A (ep.1) | Shimomura Motoharu |
| Ganma Troop B (ep.1) | Harada Masao |
| Helicopter Pilot (ep.1) <UNCREDITED ROLE> | Yamaguchi Kappei |
| Worker A (ep.4) | Ishizuka Katashi |
| Worker B (ep.4) | Ishikawa Masaaki |
| Friend A (ep.5) | Nemoto Kouta |
| Friend B (ep.5) | Harada Masao |
| Liquid's Father (ep.9) <UNCREDITED ROLE> | Takahashi Hiroki |
| Contest Announcer (ep.9) <UNCREDITED ROLE> | Yamaguchi Kappei |
| Takeda's Father (ep.16) | Takemoto Eiji |
| Man (ep.17) <UNCREDITED ROLE> | Koyasu Takehito |
| Woman (ep.17) | Kurumado Akiko |
| Cocoa Queen (ep.19) | Mizutani Keiko |
| Girl (ep.19) | Okamoto Asami |
| Takamatsu (ep.20) | Harasawa Katsuhiro |
| Nagoya Willow (ep.20) | Mizushima Takahiro |
| Sekino (ep.22) | Ookawa Tooru |
