Top Cast
Kana Hanazawa
Red Blood Cell AE3803 (Erythrocyte) (voice)
Tomoaki Maeno
White Blood Cell U-1146 (Neutrophil) (voice)
Akira Ishida
Cancer Cell (voice)
Saori Hayami
Regulatory T Cell (voice)
Daisuke Ono
Killer T Cell (voice) / Memory T Cell (voice)
Toa Yukinari
NK Cell (voice)
Kikuko Inoue
Macrophage (voice)
Maria Naganawa
Platelet 'Leader' (voice)
Yusuke Kobayashi
Ordinary Cell (voice)
Yu-ri Yoshida
Black Lactic Acid Bacterium (voice)
Rie Takahashi
Red Lactic Acid Bacterium (voice)
Natsumi Fujiwara
Panda Lactic Acid Bacterium (voice)
Yurika Kubo
Dappled Lactic Acid Bacterium (voice)
Mamiko Noto
Narrator (voice)