Junya Enoki
Red Blood Cell (Erythrocite) (voice) (13 eps)
Yoko Hikasa
White Blood Cell (Neutrophil) (voice) (13 eps)
Kenjiro Tsuda
Narrator (voice) (13 eps)
KENN
Red Blood Cell (voice) (13 eps)
Lynn
White Bood Cell (Neutrophilic) (voice) (13 eps)
Yumi Uchiyama
White Bood Cell (Neutrophilic) (voice) (13 eps)
Takashi Narumi
Gastric Chief Cell (voice) (13 eps)
Yurika Kubo
Platelet (voice) (13 eps)
Hekiru Shiina
Macrophage (voice) (13 eps)
Sarah Emi Bridcutt
Liver Cell (voice) (13 eps)
Daisuke Hirakawa
Brain Cell (Command) (voice) (13 eps)
