KAKana Hanazawa
Red Blood Cell AE3803 (Erythrocyte) (voice)
SASaori Hayami
Regulatory T Cell (voice)
DADaisuke Ono
Killer T Cell (voice) / Memory T Cell (voice)
RIRie Takahashi
Red Lactic Acid Bacterium (voice)
YUYurika Kubo
Dappled Lactic Acid Bacterium (voice)
TOTomoaki Maeno
White Blood Cell U-1146 (Neutrophil) (voice)
MAMaria Naganawa
Platelet 'Leader' (voice)
NANatsumi Fujiwara
Panda Lactic Acid Bacterium (voice)