Shirō Gō/Red One
Shingo Takasugi/Green Two
Ryūta Nanbara/Blue Three
Jun Yabuki/Yellow Four II
Hikaru Katsuragi/Pink Five
Doctor Man
Farrah
Farrah-Cat
Monster
Peebo
Messerjuu (voice)
Psygorn (Voice)
Zyuoh (Voice)
Mettzler (Voice)
Aquaiger (Voice)
Keita Nakayama
Hisao
Cat 1
Cat 2
Cat 3
Bioman must rescue two boys who possess an ancient treasure map that leads to Biobase, making them targeted by Gear.
