Character
Ochiai落合
- appearances
- 3
- appearances
- main roles
- 0
- main roles

Ochiai at a glance
Ochiai is a supporting character in Sidonia no Kishi. Ochiai is voiced by Takehito Koyasu in Japanese.
Ochiai: quick facts
- Anime
- Sidonia no Kishi
- Role
- Supporting character
- First appearance
- Sidonia no Kishi (2014)
- Latest appearance
- Sidonia no Kishi: Daikyuu Wakusei Seneki (2015)
- Japanese name
- 落合
- Japanese voice
Takehito Koyasu
Who is Ochiai?
Ochiai is a scientist and member of the Immortal Ship Committee who lived centuries before the main storyline and was the foremost researcher on the Gauna's behavior and biology. His experiments nearly lead to the destruction of Sidonia. After he is arrested, his knowledge of the Guana is placed into an auxiliary brain, which only the Immortal Ship Committee has full access too. Ochihai is able to hide a copy of his conciseness in his laboratory before being arrested.
Biography excerpt via Kitsu.
Ochiai in numbers
- Favourites on AniList
- 2
- fans who marked them a favourite
- Rank in Sidonia no Kishi
- #13
- of 17 characters, by favourites
- Appearances
- 3
- 0 as a main character
- On screen
- 2014–2015
- 2 years
Most-loved characters in Sidonia no Kishi
AniList favourites
- Izana Shinatose93
- Nagate Tanikaze72
- Shizuka Hoshijiro35
- Yuhata Midorikawa20
- Sasaki12
- Kobayashi11
- Lala Hiyama7
- Ena Hoshijiro6
- Ochiai2
Show as table
| Item | Favourites |
|---|---|
| Izana Shinatose | 93 |
| Nagate Tanikaze | 72 |
| Shizuka Hoshijiro | 35 |
| Yuhata Midorikawa | 20 |
| Sasaki | 12 |
| Kobayashi | 11 |
| Lala Hiyama | 7 |
| Ena Hoshijiro | 6 |
| Ochiai | 2 |
Appearances by format
3 titles in total
- TV Series2 · 67%
- Movie1 · 33%
Appearances
More characters from Sidonia no Kishi
Ochiai FAQ
What anime is Ochiai from?
Ochiai is a character in Sidonia no Kishi and appears in 3 titles in total, including Sidonia no Kishi Movie and Sidonia no Kishi: Daikyuu Wakusei Seneki.
Who voices Ochiai?
Ochiai is voiced by Takehito Koyasu in Japanese.
When did Ochiai first appear?
Ochiai first appeared in Sidonia no Kishi (2014) and most recently appeared in Sidonia no Kishi: Daikyuu Wakusei Seneki (2015).
What is Ochiai's Japanese name?
Ochiai is written 落合 in Japanese.
Where can I watch Ochiai?
Open the Sidonia no Kishi page for licensed streaming links and the full episode list.













