Musashi is a 10 year old boy with big dreams. He wants to grow up to be an astronaut so he can fly through the stars and meet his hero Ultraman. His mother worries that Musashi daydreams too much, but his police officer father thinks a little bit of daydreaming never hurts anyone.
杉浦太陽
as Musashi Haruno / Ultraman Cosmos
Kounosuke Tokai
as Musashi Haruno (young)
渡辺いっけい
as Commander Shigemura
赤井英和
as Yujiro Haruno
川野太郎
as Akatsuki
風見しんご
as Kido
Shûhei Mainoumi
as Leiden
Chiyomi Matsumoto
as Ichinose
Hiroshi Kamachi
as Sakaguchi
Emiri Nakayama
as Kyoko
宇野あゆみ
as Mari
Nagisa Adaniya
as mika
