Maaya Sakamoto and Daisuke Namikawa guest starred in the film as elementary school teacher Carolina and a mariachi, respectively. Former AKB48 idol group member Rino Sashihara played Sumaho-chan, a character who is named that by Shin-chan due to her habit of always using her smartphone ('sumaho' is Japanese slang for smartphone). Hiroaki Hirata played the town mayor and Kenyuu Horiuchi played Nene Rodriguez, also known as Rainbow Mask. Female comedian duo Nippon Elekitel Rengō members Akemi-chan (real name Koyuki Hashimoto) and Hosogai-san (Sōko Nakano) also guest-starred as themselves.