Kana Hanazawa
Red Blood Cell AE3803 (Erythrocyte) (voice)
前野智昭
White Blood Cell U-1146 (Neutrophil) (voice)
能登麻美子
Narration (voice)
熊谷健太郎
White Blood Cell U-4989 (Neutrophil) (voice)
Daisuke Ono
Killer T Cell (voice)
柳田淳一
White Blood Cell U-2626 (Neutrophil) (voice)
Maria Naganawa
Platelet 'Leader' (voice)
Kikuko Inoue
Macrophage (voice)
Akinori Egoshi
Sweat Gland Cell Captain (voice)
木村珠莉
Announcement (voice)
Aya Endo
Senior Red Blood Cell AA5100 (voice)
佐藤健輔
White Blood Cell U-2048 (Neutrophil) (voice)
Gakuto Kajiwara
Killer T Cell 1 (voice)
Manaka Iwami
Platelet 'Backwards Cap' (voice)
Takahiro Sakurai
Helper T Cell (voice)
Akira Ishida
Cancer Cell (voice)
Shoya Chiba
B Cell (voice)
春野杏
Platelet 'Sub-leader' (voice)
森永千才
Platelet 'Kyoro-eyes' (voice)
Toa Yukinari
NK Cell (voice)
Saori Hayami
Regulatory T Cell (voice)
Yuka Nukui
Macrophage 1 (voice)
前田弘喜
Ordinary Cell 1 (voice)
Ryota Suzuki
White Blood Cell 1 (Neutrophil) (voice)
Jun Fukushima
Bacterium (voice)
Taito Ban
Red Blood Cell 1 (voice)
Jun Kasama
Secretory Cell Captain (voice)
Chiaki Kobayashi
Ordinary Cell 2 (voice)
Yui Ishikawa
Junior Red Blood Cell NT4201 (voice)
Yusuke Kobayashi
Ordinary Cell (voice)
吉田有里
Black Lactic Acid Bacterium (voice)
Nobuhiko Okamoto
Dendritic Cell (voice)
立花芽恵夢
Platelet 'Sotohane-hair' (voice)
M・A・O
Eosinophil (voice)
川澄綾子
Mast Cell (voice)
Yuichi Nakamura
Memory Cell (voice)
北沢力
Pseudomonas Aeruginosa (voice)
Rikuya Yasuda
Ordinary Cell 2 (voice)
Hiroyuki Yoshino
Pneumococcus (Streptococcus Pneumoniae) (voice)
Daiki Kobayashi
Campylobacter (voice)
