制作公司：
- 吉卜力工作室 [日本]
- GNDHDDT
- Nippon Television Network [日本] (as Nihon Telebi)
- DENTSU Music And Entertainment Inc. [日本] (as Dentsu)
- Hakuhodo DY Media Partners [日本] (as Hakuhodo DYMP)
- The Walt Disney Company [美国] (as Dizunî)
- Mitsubishi Corportaion [日本] (as Mitsubishi Shouji)
- Toho International Company Inc. [美国] (as Toho)
- Asahi Soft Drinks Company (in associacion with) (as Asahi Inryou)
- Lawson (additional support)
- Yomiuri Shimbun, The (additional support)
发行公司：
- Toho International Company Inc. [美国] (2008) (Japan) (theatrical) (as Toho)
- Encore Films [新加坡] (2009) (Singapore) (theatrical)
- Golden Village Pictures (2009) (Singapore) (theatrical)
- 洲立影片发行(香港)有限公司 [香港] (2009) (Hong Kong) (theatrical)
- PlayArte Filmes [巴西] (2009) (Brazil) (all media)
- The Walt Disney Company [美国] (2009) (USA) (all media)
其他公司：
- Dolby Laboratories [美国] sound mix
- Yamaha Music Communications theme song
- Anime Torotoro [日本] animation cooperation
- Asahi Soft Drinks Company special thanks
- Brains Base animation cooperation
- Dogakobo [日本] animation cooperation
- Gonzo [日本] animation cooperation
- Nakamura Production [日本] animation cooperation
- New Japan Philharmonic Orchestra [日本] orchestra
- Studio Cockpit [日本] animation cooperation
- Studio Khara Digital-bu animation cooperation
- Studio Takuranke [日本] animation cooperation
- Sumida Triphony Hall music score recorded at
- Tatsunoko Productions Co. Ltd. [日本] animation cooperation
