- Yuki Kimisawa (Kamen Rider W) as Killer T Cell
- Takeshi James Yamada (Kuroko's Basketball Play) as regular cell
- Kimito Totani (Kamen Rider Decade) as Helper T Cell
- Kaoru Marimura (Yamishibai: Japanese Ghost Stories) as Natural Killer Cell
- Masaki Ōta as Naive T Cell
- Yuka Hirata (Juuken Sentai Gekiranger) as Macrophage
- Chihiro Kai as Regulatory T Cell
- Bishin Kawasumi (Sengoku Bakafuki) as Dendritic Cell (Memory Cell)
- Kaoru Masaki (DearDream) as B Cell
- Yumitsu Kishida as Platelet
- Kei Morita, Ayane Kinouchi as Platelets
- Yuki Masuda (Battle Royale) as Streptococcus pyogenes
- Shun Takagi (Kuroshitsuji Musicals) as Influenza virus
- Ryoma Baba (Tokumei Sentai Go-Busters) as Pneumococcus
- Shou Tomita (Bakuryuu Sentai Abaranger) as Staphylococcus aureus
The stage play titled "Internal Action Play Cells at Work" is based on Akane Shimizu's Cells at Work manga, which follows the the everydays of the 60 trillion cells living inside your body and how they work together to keep your body healthy!
The upcoming stage play is directed by Tsuyoshi Kida (Bleach) with scripts written by Keita Kawajiri (Mob Psycho 100) and is set to run at Tokyo's Theatre 1010 from November 16th to the 25th.
[Source: Anime News Network]