Currently available on 2 streaming services.

Streaming, rent, or buy Mobile Suit Gundam: The Origin - Advent of the Red Comet – Season 1:

Currently you are able to watch "Mobile Suit Gundam: The Origin - Advent of the Red Comet - Season 1" streaming on Crunchyroll, Hulu.

Cast

Shuichi Ikeda
Casval Rem Deikun / Char Aznable (voice)
Toru Furuya
Amuro Ray (voice)
Megumi Han
(voice)
Jin Urayama
(voice)
Banjo Ginga
(voice)
Kenta Miyake
(voice)
Akeno Watanabe
(voice)
Tetsuya Kakihara
(voice)
Mayumi Tanaka
(voice)
Satomi Arai
(voice)
Ayumi Fujimura
(voice)
Miyuki Sawashiro
(voice)
Saori Hayami
(voice)