Megumi Hayashibara

as Maeda's Mother (voice)

27 episodes

Takahiro Sakurai

as Takashi Kamiyama (voice)

26 episodes

Mika Kanai

as Beta Mechazawa (voice)

26 episodes

Norio Wakamoto

as Shinichi Mechazawa (voice)

26 episodes

Akio Suyama

as Hokuto no kobun (voice)

26 episodes

Tetsu Inada

as Akira Maeda (voice)

26 episodes

Tomoyuki Shimura

as Kiichi Fujimoto (voice)

26 episodes

Norihisa Mori

as Takeshi Hokuto (voice)

26 episodes

Takuma Suzuki

as Shinjiro Hayashida (voice)

26 episodes

Takaya Kuroda

as Masked Takenouchi (voice)

26 episodes

Youto Kazama

as Noboru Yamaguchi (voice)

26 episodes

Ayaka Saito

as Gero-tan (voice)

26 episodes

Daiki Nakamura

as Pootan's partner (voice)

26 episodes

Hiroshi Yanaka

as Akio Takejo (voice)

26 episodes

Kenichi Suzumura

as Makio Tanaka (voice)

26 episodes