The Japanese cast includes Tomoaki Maeno as White Blood Cell (Neutrophil), Kana Hanazawa as Red Blood Cell (Erythrocite), Kikuko Inoue as Macrophage, Daisuke Ono as Killer T Cell, Maria Naganawa as Platelet, Takahiro Sakurai as Helper T Cell (T Lymphocyte), Saori Hayami as Regulatory T Cell, M.A.
From the oxygen-carrying Red Blood Cells to the bacteria-fighting White Blood Cells, get to know the unsung heroes and the drama that unfolds inside of you!
Health First” is being done by four members of the cast with Kana Hanazawa, Tomoaki Maeno, Daisuke Ono, and Kikuko Inoue.
Takahiko Yoshida handled the character design and served as the chief animation director with the animation produced by David Production.