Space Brothers

Hibito Nanba

Main

Mutta Nanba

Main

Serika Itou

Supporting

Sharon Kaneko

Supporting

Kenji Makabe

Supporting

Chousuke Nanba

Supporting

Mayumi Nanba

Supporting

Freddie Saturn

Supporting

Tadashi Hoshika

Supporting

Tamura

Supporting

Yoshihara

Supporting

Rinpei Itou

Supporting

Itou Serika no Haha

Supporting

Yamato Mizoguchi

Supporting

Manabu Sawaki

Supporting

Shigeo Nasuda

Supporting

Damien Kweller

Supporting

Karen Jones

Supporting

Fumi Aotake

Supporting

Ozzy Smith

Supporting

Mrs. Smith

Supporting

Emi

Supporting

Professor

Supporting

Reiji Nitta

Supporting

Yasushi Furuya

Supporting