The official website for the upcoming live-action film adaptation of Akane Shimizu's manga series Cells at Work! released a new poster visual today. The visual features the film's four main cast members: Mei Nagano as Red Blood Cell, Takeru Sato as White Blood Cell, Sadao Abe as Shigeru Urushizaki and Mana Ashida as Niko Urushizaki. There are at least 13 main cast members yet to be announced and will be added to the poster in the future. Related : Cells at Work! Live-Action Film Releases New Teaser Trailer Introducing Human Characters Additionally, a limited number of first-edition MoviTicke advance tickets will be available at theaters nationwide starting July 12. A card printed with the "World's Smallest Micro Poster," which is 1mm in height and is scheduled to be submitted to Guinness World Records, will be included as a bonus. Starting the same day, "The World's Smallest Poster" will be displayed in some theaters.