Hide episodes
Cast
Kana Hanazawa
Red Blood Cell AE3803 (Erythrocyte) (voice) (21 episodes)
Tomoaki Maeno
White Blood Cell U-1146 (Neutrophil) (voice) (21 episodes)
Mamiko Noto
Narration (voice) (21 episodes)
Kentaro Kumagai
White Blood Cell U-4989 (Neutrophil) (voice) (16 episodes)
Daisuke Ono
Killer T Cell (voice) (14 episodes)
Junichi Yanagita
White Blood Cell U-2626 (Neutrophil) (voice) (14 episodes)
Maria Naganawa
Platelet 'Leader' (voice) (13 episodes)
Kikuko Inoue
Macrophage (voice) (13 episodes)
Akinori Egoshi
Sweat Gland Cell Captain (voice) (12 episodes)
Juri Kimura
Announcement (voice) (12 episodes)
Aya Endo
Senior Red Blood Cell AA5100 (voice) (11 episodes)
Kensuke Sato
White Blood Cell U-2048 (Neutrophil) (voice) (11 episodes)
Gakuto Kajiwara
Gastrointestinal Cell (voice) (10 episodes)
Manaka Iwami
Platelet 'Backwards Cap' (voice) (9 episodes)
Takahiro Sakurai
Helper T Cell (voice) (8 episodes)
Akira Ishida
Cancer Cell (voice) (8 episodes)
Shoya Chiba
B Cell (voice) (8 episodes)
Anzu Haruno
Platelet 'Sub-leader' (voice) (8 episodes)
Chitose Morinaga
Platelet 'Kyoro-eyes' (voice) (8 episodes)
Toa Yukinari
NK Cell (voice) (7 episodes)
Saori Hayami
Regulatory T Cell (voice) (7 episodes)
Yuka Nukui
Macrophage 1 (voice) (7 episodes)
Hiroki Maeda
Venous Valve Cell (voice) (7 episodes)
Ryota Suzuki
Killer T Cell 2 (voice) (7 episodes)
Jun Fukushima
Bacterium (voice) (7 episodes)
Taito Ban
Red Blood Cell 1 (voice) (5 episodes)
Jun Kasama
Secretory Cell Captain (voice) (5 episodes)
Chiaki Kobayashi
Ordinary Cell 2 (voice) (5 episodes)
Yui Ishikawa
Junior Red Blood Cell NT4201 (voice) (5 episodes)
Yusuke Kobayashi
Ordinary Cell (voice) (5 episodes)
Yu-ri Yoshida
Black Lactic Acid Bacterium (voice) (5 episodes)
Nobuhiko Okamoto
Dendritic Cell (voice) (4 episodes)
Mēmu Tachibana
Platelet 'Sotohane-hair' (voice) (4 episodes)
Mao Ichimichi
Eosinophil (voice) (4 episodes)
Ayako Kawasumi
Mast Cell (voice) (4 episodes)
Yuichi Nakamura
Memory Cell (voice) (4 episodes)
Riki Kitazawa
Pseudomonas Aeruginosa (voice) (4 episodes)
Rikuya Yasuda
Red Blood Cell 1 (voice) (4 episodes)
Hiroyuki Yoshino
Pneumococcus (Streptococcus Pneumoniae) (voice) (3 episodes)
Daiki Kobayashi
Campylobacter (voice) (3 episodes)
Rie Takahashi
Red Lactic Acid Bacterium (voice) (3 episodes)
Eiji Takemoto
Intestinal Epithelial Cell (voice) (3 episodes)
Shinji Kawada
Goblet Cell (voice) (3 episodes)
Yoshitsugu Matsuoka
Harmful Bacterium 1 (voice) (3 episodes)
Yasuhiro Mamiya
Harmful Bacterium 2 (voice) (3 episodes)
Hikaru Akao
Platelet 5 (voice) (2 episodes)
Mai Nakahara
Staphylococcus Aureus (voice) (2 episodes)
Masaya Matsukaze
Streptococcus Pyogenes (voice) (2 episodes)
Tomokazu Sugita
Basophil (voice) (2 episodes)
Gen Sato
Red Blood Cell 1 (voice) (2 episodes)
Mariko Higashiuchi
Immature Thymocyte 1 (voice) (2 episodes)
Sho Nogami
Ordinary Cell 2 (voice) (2 episodes)
Shota Yamamoto
Killer T Cell 1 (voice) (2 episodes)
Shuichi Uchida
Small Intestine Cell 1 (voice) (2 episodes)
Takayuki Kondo
Transfused Red Blood Cell DB5963 (voice) (2 episodes)
Aya Yamane
Large Intestine Cell 1 (voice) (2 episodes)
Natsumi Fujiwara
Panda Lactic Acid Bacterium (voice) (2 episodes)
Yurika Kubo
Dappled Lactic Acid Bacterium (voice) (2 episodes)
Kousuke Oonishi
Intestinal Epithelial Cell 1 (voice) (2 episodes)
Daiki Hamano
Red Blood Cell 4 (voice) (1 episodes)
Mutsumi Tamura
Naive T Cell (voice) (1 episodes)
Kenji Nomura
Effector T Cell (voice) (1 episodes)
Ryota Takeuchi
Memory T Cell (voice) (1 episodes)
Kohei Amasaki
Ordinary Cell 1 (voice) (1 episodes)
Itaru Yamamoto
Vibrio Parahaemolyticus (voice) (1 episodes)
Teppei Uenishi
Ordinary Cell 3 (voice) (1 episodes)
Taichi Ichikawa
Ordinary Cell 5 (voice) (1 episodes)
Kazuyuki Okitsu
Cedar Pollen (voice) (1 episodes)
Tomo Muranaka
White Blood Cell U-1146 (Myelocyte) (voice) (1 episodes)
Satoshi Hino
White Blood Cell Teacher 'Mr. Neutrophil' (voice) (1 episodes)
Yu Sasahara
Red Blood Cell 1 (voice) (1 episodes)
Ikumi Hasegawa
Hematopoietic Stem Cell 3 (voice) (1 episodes)
Asuna Tomari
Erythroblast (voice) (1 episodes)
Ayaka Suwa
Immature Cancer Cell 1 (voice) (1 episodes)
Yuna Yoshino
Immature Cancer Cell 2 (voice) (1 episodes)
Kaito Takeda
Cancer Cell 2 (voice) (1 episodes)
Aoi Ichikawa
Red Blood Cell 1 (voice) (1 episodes)
Shizuka Ishigami
'Circulation' the PSA Mascot (voice) (1 episodes)
Mikako Komatsu
Immature Thymocyte 2 (voice) (1 episodes)
Rikiya Koyama
Thymic Epithelial Drill Sergeant (voice) (1 episodes)
Yuuki Shin
Naive T Cell 1 (voice) (1 episodes)
Yu Akiba
Naive T Cell 5 (voice) (1 episodes)
Masaya Fukunishi
Naive T Cell 6 (voice) (1 episodes)
Makoto Koichi
Immature Thymocyte 3 (voice) (1 episodes)
Natsumi Kawaida
Immature Thymocyte 4 (voice) (1 episodes)
Aimi Tanaka
Immature Thymocyte 5 (voice) (1 episodes)
Daiki Kajimoto
Red Blood Cell 6 (voice) (1 episodes)
Kohsuke Toriumi
Bacillus Cereus (voice) (1 episodes)
Hironori Saitoh
Transfused Red Blood Cell 2 (voice) (1 episodes)
Naoko Komatsu
Transfused Red Blood Cell 3 (voice) (1 episodes)
Yuhko Kaida
Megakaryocyte (voice) (1 episodes)
Satomi Amano
Platelet 1 (voice) (1 episodes)
Nao Shiraki
Platelet 3 (voice) (1 episodes)
Emiri Suyama
Platelet 4 (voice) (1 episodes)
Saya Tanaka
Platelet 5 (voice) (1 episodes)
Hitomi Sekine
Platelet 6 (voice) (1 episodes)
Masamu Ono
Ordinary Cell 1 (voice) (1 episodes)
Yumiko Kobayashi
'Lovely' Bacterium (voice) (1 episodes)
Show Hayami
M Cell (voice) (1 episodes)
Hinata Tadokoro
White Blood Cell 1 (Neutrophil) (voice) (1 episodes)
Yu Okano
Ordinary Cell 1 (voice) (1 episodes)
Tasuku Kida
Ordinary Cell 2 (voice) (1 episodes)
Hitomi Sasaki
Macrophage 1 (voice) (1 episodes)
Yuya Hirose
Red Blood Cell 1 (voice) (1 episodes)
Hayato Komiya
Red Blood Cell 2 (voice) (1 episodes)
Atsushi Tamaru
Ordinary Cell 1 (voice) (1 episodes)
Ryota Iwasaki
Ordinary Cell 3 (voice) (1 episodes)
Motomu Kiyokawa
Langerhans Cell (voice) (1 episodes)
Miyuri Shimabukuro
Hair Matrix Cell Boy (voice) (1 episodes)
Mugihito
Hair Matrix Cell Elder (voice) (1 episodes)
Rie Kawamura
Pigment Cell (voice) (1 episodes)
Shin Matsushige
Acne Bacteria King (voice) (1 episodes)
Daichi Hayashi
Acne Bacterium 1 (voice) (1 episodes)
Yoshihito Sasaki
Killer T Cell 1 (voice) (1 episodes)
Kouichi Souma
Small Intestine Cell Chief (voice) (1 episodes)
Atsushi Taniguchi
Small Intestine Cell 2 (voice) (1 episodes)
Eri Yukimura
Macrophage 2 (voice) (1 episodes)
Yudai Mino
Ordinary Cell 1 (voice) (1 episodes)
Yuki Otani
Ordinary Cell 2 (voice) (1 episodes)
Hayato Kimura
Ordinary Cell 3 (voice) (1 episodes)
Shinei Ueki
Influenza Virus (voice) (1 episodes)
Shoya Ishige
Killer T Cell 4 (voice) (1 episodes)
Shogo Sakata
Large Intestine Cell 2 (voice) (1 episodes)
Reigo Yamaguchi
Thymocyte 1 (voice) (1 episodes)
Satoshi Nozawa
Thymocyte 2 (voice) (1 episodes)
Yukari Tamura
Opportunistic Bacterium 1 (voice) (1 episodes)
Fairouz Ai
Opportunistic Bacterium 2 (voice) (1 episodes)
Takehiro Jizodo
Opportunistic Bacterium 3 (voice) (1 episodes)
Crew
Kenichi Suzuki
Storyboard Artist (4 episodes)
Hirofumi Ogura
Storyboard Artist (2 episodes)
Osamu Masuyama
Background Designer (1 episodes)
Tomoyuki Harada
Medical Consultant (21 episodes)
Kenichi Suzuki
Series Director (15 episodes)
Hirofumi Ogura
Director (10 episodes)
Yasufumi Soejima
Director (2 episodes)
Sumito Sasaki
Director (1 episodes)
Yuma Takahashi
Producer (21 episodes)
Daisuke Ono
Theme Song Performance (21 episodes)
Kana Hanazawa
Theme Song Performance (21 episodes)
Tomoaki Maeno
Theme Song Performance (21 episodes)
Masaharu Yamanouchi
Music Producer (21 episodes)
Kikuko Inoue
Theme Song Performance (21 episodes)
Kenichiro Suehiro
Original Music Composer (21 episodes)
Yu-ri Yoshida
Theme Song Performance (8 episodes)
Yusuke Kobayashi
Theme Song Performance (8 episodes)
Yutaka Nakajima
CGI Director (13 episodes)
Tomoaki Kado
Key Animation (6 episodes)
Moriyasu Taniguchi
Key Animation (3 episodes)