The official website of the Atom: The Beginning
TV anime has announced additional cast members. The anime is slated for Spring 2017.
Moriya Tsutsumi: Takahiro Sakurai
(Active Raid: Kidou Kyoushuushitsu Dai Hachi Gakari
Motoko Tsutsumi: Mikako Komatsu
Ran Ochanomizu: Ayane Sakura
Shunsaku Han: Kengo Kawanishi
(Mobile Suit Gundam: Iron-Blooded Orphans
Kensaku Han: Nobuo Tobita
Maria: Yoshino Nanjo
Opening theme performance: "Kaidoku Funou" by After the Rain
Ending theme performance: "Hikari no Hajimari" by Yoshino Nanjo
Takahiro Sakurai, Mikako Komatsu, and Ayane Sakura will also appear at a stage event at AnimeJapan 2017 on March 26, along with Yuuichi Nakamura and Yuuki Inoue.
Source: Moca News