Guest Stars Masaaki Yano voices Yamaguchi-san (robot) Shinya Takahashi voices Keshibishi-gumi Motoi Koyanagi voices Father of Shinpachi Hiroshi Shimozaki voices Mayor Kuroiwa Hiroki Maeda voices Samueda-gumi Susumu Akagi voices Father of Orinoko Yuna Kamakura voices Mother of Orinoko