Choudenshi Bioman Cast Ryosuke Sakamoto Takahiko Ota Akito Osuga Sumiko Tanaka Michiko Makino Munemaru Koda Hirohisa Nakata Yûko Asuka Strong Kongô Norikimi Otsu Shinjiro Katagiri Yoshiko Ohta Shun Yashiro Hiroshi Izawa Keisuke Yamashita Kanko Nagai Masahiro Anzai