Dr. Slump Arale-chan: Hoyoyo, The Great Race Around the World Cast Mami Koyama Kenji Utsumi Kazuko Sugiyama Toshio Furukawa Naomi JinbĂ´ Seiko Nakano Mariko Mukai Isamu Tanonaka Hiroshi Otake Shigeru Chiba Tessho Genda Mugihito Masaharu Sato Koji Totani Yuko Mita Nachi Nozawa Hidekatsu Shibata Eiko Masuyama Shingo Kanemoto Junpei Takiguchi Jouji Yanami