Hyper Robo-Joe!

Kurumi Mamiya

Hamtaro (voice)

Kentaro Ito

Taisho-kun (voice)

Kazusa Murai

Ribon-chan (voice)

Rikako Aikawa

Koshi-kun (voice)

Ai Uchikawa

Kaburu-kun / Kana Iwata (voices)

Haruna Ikezawa

Torahamu-chan / Haruna Hiroko (voices)

Kouki Miyata

Torahamu-kun (voice)

Yuu Sugimoto

Maido-kun / Neteru-kun (voices)

Chihiro Suzuki

Megane-kun (voice)

Takako Honda

Noppo-kun (voice)

Yuko Saito

Panda-kun (voice)

Rei Sakuma

Mafura-chan / Hiromi Haruna (voices)

Kaori Matoi

Chibimaru-chan (voice)

Yuu Asakawa

Tongari-kun / Taichi Kimura (voices)

Hiroshi Isobe

Yumetaro Haruna (voice)