 | Mirai Shida als Arrietty (voice) |
 | Ryunosuke Kamiki als Shou (voice) |
 | Tomokazu Miura als Pod (voice) |
 | Keiko Takeshita als Sadako Maki (voice) |
 | Kirin Kiki als Haru (voice) |
 | Shinobu Otake als Homily (voice) |
 | Tatsuya Fujiwara als Spiller (voice) |
 | Shinichi Hatori als Postman (voice) |
| Hiromasa Yonebayashi | Director |
| Toshio Suzuki | Producer |
| Rie Matsubara | Editor |
| Cécile Corbel | Music |
| Mary Norton | Novel |
| Hayao Miyazaki | Executive Producer |
| Koji Kasamatsu | Sound Designer |
| Megumi Kagawa | Animation Director |
| Kazuo Oga | Background Designer |
| Atsushi Okui | Director of Photography |
| Yoji Takeshige | Art Direction |
| Asami Ishikado | Key Animation |
| Atsuko Tanaka | Key Animation |
| Atsushi Tamura | Key Animation |
| Eiji Yamamori | Key Animation |
| Emi Kamiishi | Key Animation |
| Emiko Shimura | Key Animation |
| Fumie Konno | Key Animation |
| Hideaki Yoshio | Key Animation |
| Hideki Hamasu | Key Animation |
| Hiroki Fujiwara | Key Animation |
| Hiromasa Yonebayashi | Key Animation |
| Katsuya Kondo | Key Animation |
| Keiko Kato | Key Animation |
| Kenichi Yamada | Key Animation |
| Kiyotaka Oshiyama | Key Animation |
| Koichi Usami | Key Animation |
| Makiko Futaki | Key Animation |
| Makiko Suzuki | Key Animation |
| Manabu Nakatake | Key Animation |
| Mariko Matsuo | Key Animation |
| Masako Sato | Key Animation |
| Minoru Ohashi | Key Animation |
| Miwa Sasaki | Key Animation |
| Moyo Takahashi | Key Animation |
| Reiko Nozaki | Key Animation |
| Rie Nishino | Key Animation |
| Ryouma Ebata | Key Animation |
| Ryoji Masuyama | Key Animation |
| Satoshi Nagura | Key Animation |
| Shinji Otsuka | Key Animation |
| Shougo Furuya | Key Animation |
| Takashi Kawaguchi | Key Animation |
| Takeshi Inamura | Key Animation |
| Yasui Muroi | Key Animation |
| Yoshiharu Sato | Key Animation |
| Yuuko Azuma | Key Animation |
| Masahiko Kubo | Key Animation |
| Hayao Miyazaki | Screenplay |
| Keiko Niwa | Screenplay |
