![Hiroki Saitou](https://cdn.noitatnemucod.net/thumbnail/400x400/100/bfc38022ab0d5ad4edf63dc70cd0cd56.jpg)
Hiroki Saitou
斎藤 ヒロキ
Tanikaze's grandfather who also taught Tanikaze how to pilot guardians. Saito was Sidonia's former ace pilot.
(Source: Wikipedia)
(Source: Wikipedia)
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Knights of Sidonia: Battle for Planet Nine
Supporting (Role) TV -
Knights of Sidonia
Supporting (Role) TV
![Koyama, Rikiya](https://cdn.noitatnemucod.net/thumbnail/100x100/100/777a5a45defecb4d7ded05ec9f4774d6.jpg)
Koyama, Rikiya
Japanese![McConnohie, Michael](https://cdn.noitatnemucod.net/thumbnail/100x100/100/0e5944913a46123f79330fbb6662ab72.jpg)
McConnohie, Michael
English![Zambrano, Thiago](https://cdn.myanimelist.net/images/voiceactors/3/14937.jpg)
Zambrano, Thiago
Brazilian![Moreno, Antônio](https://cdn.noitatnemucod.net/thumbnail/100x100/100/4a9abb10c5d257803f3a59217612cd9e.jpg)