- Country: Japan
- Genres: Drama, Family
- Release: 2004-06-05
- Director: Hiroshi Sugawara
- Writers: Osamu Sôda
- Language: Japanese
- Stars: Yukiyoshi Ozawa , Risako Sugaya , Koji Yakusho , Mirai Yamamoto
- Runtime: 101 min
- Awards: 1 win & 1 nomination
- AKA: Fireflies: River of Light , 萤火虫之星 (China) , Hotaru no hoshi , ほたるの星 (Japan)
- Plot: A young teacher comes up with the idea of the elementary school students in his charge taking care of fireflies and their habitat. While as in any classroom there are different characters with distinctive personalities they ultimately come together as they care for the environment and the creatures in it. The teacher and students are up against the established way of doing things however.
- IMDB:tt0411398
Fireflies: River of Light Cast · · · ALL
Hiroshi Sugawara
Director
Yukiyoshi Ozawa
Hajime Miwa
Koji Yakusho
Mr. Takiguchi
Mirai Yamamoto
Ms. Nanami
Nobuo Yana
Tanaka-san
Kirin Kiki
Headmistress
Moeko Ezawa
Toshiyuki Kitami
Yukimi Koyanagi
Yurina Kumai
Hitomi Nakahara
Takashi Sasano
Makoto Satō
Shirô Shimomoto
Kimiko Yo
Kumiko Mori