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) (99 episodes)

Hiroaki Hirata was born on August 7, 1963 and is currently 61 years old.

KENN

as Hibito Nanba (voice) (99 episodes)

Kenichirō Ōhashi (大橋賢一郎 Ōhashi Kenichirō, born March 24, 1982), better known by the stage name KENN, is a Japanese a...

Miyuki Sawashiro

as Mutta Nanba (voice) (99 episodes) , Serika Itou (voice) (99 episodes)

Miyuki Sawashiro is a Japanese voice actress and narrator affiliated with Aoni Production. She has voiced in a number...

Masayuki Katou

as Kenji Makabe (voice) (99 episodes)

Masayuki Katou is a Japanese voice actor.

Masako Ikeda

as Sharon Kaneko (voice) (99 episodes)

Yuko Sanpei

as Hibito Nanba (voice) (99 episodes)

Shô Ryûzanji

as Tadashi Hoshika (voice) (99 episodes)

Ryou Naitou

as Yasushi Furuya (voice) (99 episodes)

Ryou Naitou (内藤玲, Naitō Ryō, June 22, 1974) is a Japanese voice actor and stage actor from Osaka Prefecture. He is a...

Shintaro Asanuma

as Yamato Mizoguchi (voice) (99 episodes)

Takanori Hoshino

as Reiji Nitta (voice) (99 episodes)

Takanori Hoshino is a Japanese voice actor. He play as many role such as Justice League (role of Superman) Altered Ca...

Crew of Space Brothers

Discover the backstage crew of Space Brothers →