The film begins in the present, with its heroine, Kaoru, a grown-up woman working as a real-estate agent, while helping out the folksy proprietor of a neighborhood fishing pond. There she meets a shy girl who needs her help baiting a hook and reminds her of herself in the fourth grade.
| Actor | Role |
|---|---|
 Yuko TakeuchiYoko | Yoko |
 Yūsuke IseyaKaoru's client | Kaoru's client |
 Arata FurutaMakoto Kondo | Makoto Kondo |
 Kirin KikiGranny Tome | Granny Tome |
 Hana MatsumotoKaoru Kondo | Kaoru Kondo |
 Rie MimuraKaoru Kondo (Adult) | Kaoru Kondo (Adult) |
 Yoichi NukumizuIce-cream man | Ice-cream man |
 Kippei ShiinaYotchan | Yotchan |
 Sawa SuzukiKaoru's mom | Kaoru's mom |
| TTakeru TaniyamaToru Kondo | Toru Kondo |
 Hiroshi YamamotoNabe | Nabe |
 Minori TeradaOwner of Fishing Shed | Owner of Fishing Shed |
 Yôsuke KawamuraToru Kondo (adult) | Toru Kondo (adult) |
 Kyōko YanagiharaKaoru's client | Kaoru's client |
| MManami AzechiNot listed | Not listed |