Cast and Crew of Space Brothers

Space Brothers

宇宙兄弟

When they were young, the brothers Mutta and Hibito promised each other they would become astronauts. Now, in 2025, Hibito has followed his dream to become the first Japanese on the moon, but Mutta has just been fired from his job. His brother reminds him of their childhood promise, and Mutta decides once again to aim for space.

Full Cast of Space Brothers

Hiroaki Hirata as Mutta Nanba (voice)

Hiroaki Hirata

Mutta Nanba (voice)
 Miyuki Sawashiro as Mutta Nanba (voice)

Miyuki Sawashiro

Mutta Nanba (voice) , Serika Itou (voice)
 KENN as Hibito Nanba (voice)

KENN

Hibito Nanba (voice)
 Masayuki Katou as Kenji Makabe (voice)

Masayuki Katou

Kenji Makabe (voice)
 Masako Ikeda as Sharon Kaneko (voice)

Masako Ikeda

Sharon Kaneko (voice)
 Yuko Sanpei as Hibito Nanba (voice)

Yuko Sanpei

Hibito Nanba (voice)
 Shô Ryûzanji as Tadashi Hoshika (voice)

Shô Ryûzanji

Tadashi Hoshika (voice)
 Ryou Naitou as Yasushi Furuya (voice)

Ryou Naitou

Yasushi Furuya (voice)
 Shintaro Asanuma as Yamato Mizoguchi (voice)

Shintaro Asanuma

Yamato Mizoguchi (voice)
 Takanori Hoshino as Reiji Nitta (voice)

Takanori Hoshino

Reiji Nitta (voice)

Crew of Space Brothers

Full backstage crew list →