Bioman must rescue two boys who possess an ancient treasure map that leads to Biobase, making them targeted by Gear.
Ryōsuke Sakamoto
Naoto Tada
Akito Osuga
Sumiko Tanaka
Michiko Makino
Munemaru Kôda
Yûko Asuka
Yukari Ôshima
Strong Kongo
Yoshiko Ohta
Shun Yashiro
Keisuke Yamashita
Masahiro Anzai
Hiroshi Izawa
Kankou Nagai
Norikimi Ootsu
Shinjiro Katagiri
Nahoko Nomoto
Shinobu Shimura
Kaori Kikuchi