Sayaka Senbongi
Haru (flashback) (voice) (15 eps)
Chikahiro Kobayashi
Legoshi (voice) (12 eps)
Yuki Ono
Louis (voice) (12 eps)
Fukushi Ochiai
Marisson school director (voice) (10 eps)
Taiten Kusunoki
Ibuki (voice) (10 eps)
Subaru Kimura
Free (voice) (10 eps)
Sayumi Watabe
Els (voice) (9 eps)
Hiroshi Shirokuma
Snapping turtle (voice) (9 eps)
Ikuto Kanemasa
Agata (voice) (8 eps)
Takaaki Torashima
Bill (voice) (7 eps)
Yuuko Hara
Cosmo (voice) (7 eps)
Akio Otsuka
Gohin (voice) (7 eps)
Yuki Kaji
Pina (voice) (7 eps)
Naoto Kobayashi
Tao (voice) (6 eps)
Junya Enoki
Jack (voice) (6 eps)
Atsumi Tanezaki
Juno (voice) (6 eps)
Takeo Otsuka
Collot (voice) (5 eps)
Shota Yamamoto
Dolph (voice) (5 eps)
Genki Muro
Dom (voice) (5 eps)
Yoshiyuki Shimozuma
Voss (voice) (4 eps)
Akane Ouchi
Ellen (voice) (4 eps)
Kujira
Rokume (voice) (3 eps)
Yuma Uchida
Miguno (voice) (3 eps)
Satoshi Tsuruoka
Hyena (voice) (3 eps)
Nobuhiko Okamoto
Kai (voice) (3 eps)
Kaede Hondo
Goat (voice) (2 eps)
Ari Ozawa
Walnut squirrel (voice) (2 eps)
Takaya Hashi
Former boss (voice) (2 eps)
Kenyu Horiuchi
Ogma (voice) (2 eps)
Tatsumaru Tachibana
Raccoon (voice) (1 eps)
Kenta Sasa
Gon (Cherryton Academy Principal) (voice) (1 eps)
Rikuya Yasuda
Carl (voice) (1 eps)
Mao Ichimichi
Sally (voice) (1 eps)
Saiko Moriya
Clerk (voice) (1 eps)
Kouichi Souma
Owner (voice) (1 eps)
Yuki Kazu
Leopard (voice) (1 eps)
Kanehira Yamamoto
Old goat (voice) (1 eps)
Tsuguo Mogami
Caiman (voice) (1 eps)
Tomomi Mineuchi
Sheep (voice) (1 eps)
Chikako Sugimura
Cleaning lady (voice) (1 eps)
Yuko Sanpei
Moth (voice) (1 eps)