Directed by
| Katsuya Asano | ||
| Daisuke Hiramaki | ||
| Chikara Sakurai | ||
| Tsutomu Mizushima | ... | (series director) |
Writing Credits (in alphabetical order)
| Masahiro Anbe | ... | (manga) |
| Mariko Kunisawa | ||
| Tony Oliver | ... | (adr script) |
| Michiko Yokote | ... | (composition) |
| Michiko Yokote | ||
Cast (in credits order)
| Hisako Kanemoto | ... | Ika Musume | |
 |
Rie Tanaka | ... | Chizuru Aizawa |
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Miki Ôtani | ... | Aizawa Takeru |
| Rest of cast listed alphabetically: | |||
| Bennett Abara | ... | Takeru (voice) (as Amanda Céline Miller) | |
|
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Alice Beaver | ... | Squid Girl (Animax) (voice) |
| Christine Marie Cabanos | ... | Squid Girl (voice) | |
|
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Jessica De Borja | ... | Eiko Aizawa (Animax) (voice) |
|
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Azusa Enoki | ... | Nagisa (voice) |
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Ayumi Fujimura | ... | Aizawa Eiko |
| Sarah Hauser | ... | Chizuru Aizawa (Animax) (voice) | |
| Xanthe Huynh | ... | Sanae Nagatsuki (voice) | |
|
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Kanae Itô | ... | Nagatsuki Sanae |
|
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Azusa Kataoka | ... | Saitou Nagisa |
| Shelby Lindley | ... | Chizuru Aizawa (voice) | |
|
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Hitomi Nabatame | ... | Cindy Campbell |
| Yûichi Nakamura | ... | Arashiyama Gorou | |
| Tony Oliver | ... | Clark (voice) | |
|
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Heath Pennington | ... | Eiko (voice) (as Heather Pennington) |
| Laura Post | ... | Cindy (voice) | |
| Cristina Valenzuela | ... | Nagisa (voice) | |
|
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Jason Wishnov | ... | Goro (voice) |
Produced by
| Tomohiro Fujita | ... | associate producer |
| Kazuyoshi Fukuba | ... | planner |
| Jun Fukuda | ... | associate producer |
| Shunji Inoue | ... | planner |
| Tatsuya Ishiguro | ... | producer |
| Seiichi Kawashima | ... | associate producer |
| Makoto Kohara | ... | planner (as Mitsuru Ohara) |
| Katsumi Koike | ... | producer |
| Kentarô Kuramoto | ... | producer |
| John Ledford | ... | producer |
| Naohiro Tafu | ... | planner (as Naohiro Futono) |
| Tsuneo Takechi | ... | planner |
| Atsushi Urushiyama | ... | production producer |
| Takuo Yagi | ... | associate producer |
Music by
| Tomoki Kikuya | ||
Cinematography by
| Yûki Hama | ... | (as Yuki Hama) |
Editing by
| Shigeru Nishiyama | ||
Casting By
| Mami Okada | ||
Art Direction by
| Ken'ichi Tatefuji | ||
Production Management
| Christian Alexander Morán | ... | post-production supervisor (english version) (as Christian Alexander Moran) |
Art Department
| Katsuya Asano | ... | storyboard artist |
| Naomi Ide | ... | prop designer |
| Izumi Sakamoto | ... | color key |
| Chikara Sakurai | ... | storyboard artist |
Sound Department
| Oscar Garcia | ... | re-recording mixer (english version) |
| Noboru Haraguchi | ... | assistant sound director |
| Takahisa Ishino | ... | sound effects assistant |
| Michihiro Itô | ... | sound effects editor |
| Naoki Kishida | ... | sound production supervisor |
| Naoko Miyaba | ... | sound production supervisor |
| Yoshio Obara | ... | sound mixer |
| Kazuhiro Wakabayashi | ... | sound director |
| Takuma Yoshioka | ... | recording assistant |
Camera and Electrical Department
| Wakana Moriya | ... | assistant cinematographer |
Animation Department
| Katsuya Asano | ... | animation director |
| Daisuke Hiramaki | ... | animation director |
| Masakazu Ishikawa | ... | character designer/chief animation director |
| Miho Ogawa | ... | key animator |
| Chikara Sakurai | ... | animation director |
Editorial Department
| Naoyuki Kitazawa | ... | video editor: P's Studio |
| Kentarô Tsubone | ... | assistant editor (as Kentaro Tsubone) |
Music Department
| Kanae Itô | ... | vocals: ending theme |
| Yoshiyuki Itô | ... | music producer |
| Hisako Kanemoto | ... | vocals: opening theme |
| Masaya Koike | ... | music: opening theme |
| Marble | ... | music: ending theme |
| Atsumi Saori | ... | lyrics and music: ending theme |
| Ultra-Prism | ... | vocals: opening theme |
| Tsukimiya Usagi | ... | lyrics: opening theme |
Additional Crew
| Christine Marie Cabanos | ... | production assistant |
| Kazuyoshi Fukuba | ... | planning |
| Shinsaku Hatta | ... | planning assistance |
| Shunji Inoue | ... | planning |
| Urushiyama Jun | ... | production generalisation |
| Makoto Kohara | ... | planning |
| Naoki Nakamura | ... | planning assistance |
| Yamashita Naomi | ... | planning assistance |
| Tony Oliver | ... | script adaptation: FUNimation (english version) |
| Takafumi Sawa | ... | planning assistance |
| Naohiro Tafu | ... | planning |
| Tsuneo Takechi | ... | planning |
