Currently available on 1 streaming service.

Streaming, rent, or buy Gravitation – Season 1:

You are able to buy "Gravitation - Season 1" on Apple TV as download.

Cast

Tomokazu Seki
Shuichi Shindo (voice)
Kazuhiko Inoue
Eiri Yuki (voice)
Yasunori Matsumoto
Hiroshi Nakano (voice)
Ai Orikasa
Toma Seguchi (voice)
Fujiko Takimoto
Suguru Fujisaki (voice)
Kappei Yamaguchi
Ryuichi Sakuma (voice)
Ryotaro Okiayu
K (voice)
Takehito Koyasu
Sakano (voice)
Haruna Ikezawa
Noriko Ukai (voice)
Hideo Ishikawa
Tatsuha Uesugi
Rie Tanaka
Ayaka Usami (voice)
Shin-ichiro Miki
Taki Aizawa (voice)
Hiromi Tsuru
Mika Uesugi (voice)