The theatrical episode will cover events from the fifth volume of the manga.
Kana Hanazawa
as Red Blood Cell AE3803 (Erythrocyte) (voice)
Tomoaki Maeno
as White Blood Cell U-1146 (Neutrophil) (voice)
Akira Ishida
as Cancer Cell (voice)
Saori Hayami
as Regulatory T Cell (voice)
Daisuke Ono
as Killer T Cell (voice) / Memory T Cell (voice)
Toa Yukinari
as NK Cell (voice)
Kikuko Inoue
as Macrophage (voice)
Maria Naganawa
as Platelet 'Leader' (voice)
Yusuke Kobayashi
as Ordinary Cell (voice)
Yu-ri Yoshida
as Black Lactic Acid Bacterium (voice)