An old train engine endeavors to be useful despite the more modern transportation now available in the big city. The story was taken from a highly popular storybook series. Traditionally animated movie Toei based on a bestseller picture book by Agawa Hiroyuki, illustrated by Okabe Fuyuhiko and published in 1959 by Iwanami Shoten Publishing.
| Actor | Role |
|---|---|
 Kazuo KumakuraYaemon (voice) | Yaemon (voice) |
| KKyôko SatomiMasa-Kun (voice) | Masa-Kun (voice) |
| MMichiko HiraiRinrin (voice) | Rinrin (voice) |