Kana Hanazawa
Red Blood Cell AE3803 (Erythrocyte) (voice)
Tomoaki Maeno
White Blood Cell U-1146 (Neutrophil) (voice)
Saori Hayami
Regulatory T Cell (voice)
Daisuke Ono
Killer T Cell (voice) / Memory T Cell (voice)
Maria Naganawa
Platelet 'Leader' (voice)
吉田有里
Black Lactic Acid Bacterium (voice)
Rie Takahashi
Red Lactic Acid Bacterium (voice)
Fujiwara Natsumi
Panda Lactic Acid Bacterium (voice)
Kubo Yurika
Dappled Lactic Acid Bacterium (voice)