Full cast of Knights of Sidonia

Sayaka Ohara

Captain Kobayashi (voice) / Announcer (voice)

25 episodes

Takahiro Sakurai

Norio Kunato (voice) / Killy (voice)

25 episodes

Ryota Osaka

Nagate Tanikaze (voice)

24 episodes

Aki Toyosaki

Izana Shinatose (voice)

24 episodes

Tomohiro Tsuboi

Ichirou Seii (voice)

24 episodes

Hisako Kanemoto

Yuhata Midorikawa (voice)

24 episodes

Satomi Arai

Lala Hiyama (voice)

24 episodes

Eri Kitamura

Honoka Clones (voice)

24 episodes

Atsuko Tanaka

Ittan Samari (voice)

24 episodes

Kohsuke Toriumi

Kouichi Tsuruuchi (voice)

24 episodes

Aya Suzaki

Shizuka Hoshijiro (voice) / Benisuzume (voice)

8 episodes

Kouji Fujiyoshi

Recon Squad Leader (voice) / Model Store Shopkeeper (voice) / Laborer (voice) / East Asia Heavy Industries Engineer (voice)

8 episodes

Takehito Koyasu

Ochiai (voice)

7 episodes

Nanako Mori

Controller (voice) / Eiko Yamano (voice)

7 episodes

Ayane Sakura

Mozuku Kunato (voice) / Controller (voice)

7 episodes

Miho Miyagawa

Chief Navigator (voice) / Pilot (voice)

6 episodes

Takako Honda

Sasaki (voice)

4 episodes

Mamiko Noto

Yure Shinatose (voice) / Yure Shinathose (voice)

4 episodes

Rina Sato

Numi Tahiro (voice)

4 episodes

Azusa Sato

Controller (voice)

4 episodes

Rokuro Naya

Old Man (voice)

3 episodes

Osamu Saka

Shinsuke Tanba (voice)

3 episodes

Ai Kakuma

Chimera Controller (voice)

3 episodes

Rikiya Koyama

Hiroki Saito (voice) / Hiroki Saitō (voice)

3 episodes

Yuichi Ishigami

Personnel (voice) / Demo Rep (voice) / Crew Member (voice)

3 episodes

Yuma Uchida

Pilot (voice) / Laborer (voice)

3 episodes

Yuuto Suzuki

Izumo Midorikawa (voice)

2 episodes

Hiromi Igarashi

Hinata Momose (voice)

2 episodes

Soma Saito

Mochikuni Akai (voice)

2 episodes

Shinobu Matsumoto

Kashiwade Aoki (voice)

2 episodes

Yoshimitsu Shimoyama

Samari's Squadmember (voice)

1 episode

Nobuaki Kanemitsu

Crew Member (voice)

1 episode

Shigeo Kiyama

Crew Member (voice)

1 episode

Yukiyo Fujii

Lieutenant Commander (voice)

1 episode

Tsutomu Nihei

Saw Stag Beetle (voice)

1 episode

Yuka Iguchi

Realtor (voice)

1 episode

Kengo Kawanishi

Mechanic (voice)

1 episode

Shou Okumura

Masayuki Takumi (voice)

1 episode