Junichi Yanagita

White Blood Cell U-2626 (Neutrophil) (voice) / Red Blood Cell 3 (voice) / Ordinary Cell 1 (voice) / Sympathetic Nerve Cell Captain (voice) / Announcement 2 (voice) / Announcement (voice) / Red Blood Cell 1 (voice) / Gastrointestinal Cell (voice)

14 eps

Maria Naganawa

Platelet 'Leader' (voice)

13 eps

Kikuko Inoue

Macrophage (voice) / Macrophage / Monocyte (voice)

13 eps

Akinori Egoshi

Sweat Gland Cell Captain (voice) / White Blood Cell U-2001 (Neutrophil) (voice) / Red Blood Cell 2 (voice) / Naive T Cell 4 (voice) / Nerve Cell (voice) / Regulatory T Cell 1 (voice) / Red Blood Cell 3 (voice) / Red Blood Cell 1 (voice)

12 eps

Juri Kimura

Announcement (voice) / Red Blood Cell 3 (voice) / Hematopoietic Stem Cell 1 (voice) / Red Blood Cell 10 (voice) / Red Blood Cell 1 (voice) / Regulatory T Cell 2 (voice) / Macrophage 1 (voice) / Announcement 1 (voice) / Red Blood Cell 2 (voice)

12 eps

Aya Endo

Senior Red Blood Cell AA5100 (voice)

11 eps

Kensuke Sato

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

11 eps

Gakuto Kajiwara

Killer T Cell 1 (voice) / Red Blood Cell 1 (voice) / Gastrointestinal Cell (voice) / Red Blood Cell 5 (voice) / Killer T Cell 2 (voice) / Naive T Cell 2 (voice) / Ordinary Cell 1 (voice)

10 eps

Manaka Iwami

Platelet 'Backwards Cap' (voice)

9 eps

Takahiro Sakurai

Helper T Cell (voice)

8 eps