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