1. Bölüm

花澤香菜

Red Blood Cell AE3803 (Erythrocyte) (voice)

前野智昭

White Blood Cell U-1146 (Neutrophil) (voice)

小野大輔

Killer T Cell (voice)

井上喜久子

Macrophage (voice)

Maria Naganawa

Platelet 'Leader' (voice)

櫻井孝宏

Helper T Cell (voice)

早見沙織

Regulatory T Cell (voice)

佐藤健輔

White Blood Cell U-2048 (Neutrophil) (voice)

熊谷健太郎

White Blood Cell U-4989 (Neutrophil) (voice)

能登麻美子

Narration (voice)

江越彬紀

White Blood Cell U-2001 (Neutrophil) (voice)

柳田淳一

White Blood Cell U-2626 (Neutrophil) (voice)

乃村健次

Effector T Cell (voice)

杉田智和

Basophil (voice)

貫井柚佳

Macrophage 1 (voice)

山本祥太

Killer T Cell 2 (voice)