Choudenshi Bioman

Ryōsuke Sakamo...

as

Shirou Gou

Naoto Ôta

as

Shingo Takasugi

Akito Osuga

as

Ryuuta Nanbara

Sumiko Tanaka

as

Jun Yabuki

Michiko Makino

as

Hikaru Katsura...

Yoshiko Ohta

as

Peebo (voice)

Yuki Yajima

as

Mika Koizumi

Hirohisa Nakata

as

Mason

Strong Kongo

as

Monster