The dub has Christian La Monte directing it and the main cast includes Cherami Leigh as Red Blood Cell, Billy Kametz as White Blood Cell (Neutrophil), Robbie Daymond as Killer T Cell, Laura Post as Macrophage, Xanthe Huynh as Platelet, Griffin Burns as Dendritic Cell, Erica Mendez as Regulatory T Cell, Ray Chase as Helper T Cell, Kayli Mills as Eosinophil, Morgan Berry as NK Cell, and Erik Kimerer as B Cell.
The Japanese cast includes Tomoaki Maeno as White Blood Cell (Neutrophil), Kana Hanazawa as Red Blood Cell (Erythrocite), Kikuko Inoue as Macrophage, Daisuke Ono as Killer T Cell, Maria Naganawa as Platelet, Takahiro Sakurai as Helper T Cell (T Lymphocyte), Saori Hayami as Regulatory T Cell, M.A.
The summer 2018 anime series Cells at Work looks to be expanding its reach as the folks at Peppermint Anime have dropped a new teaser regarding it.
The series was directed by Kenichi Suzuki based on the series composition by Yuuko Kakihara.