Lee, Yun-bok in his fourth grade lives in a poor family. His father is indulged in gambling, and his mother, who can no longer tolerate the cruelty of her husband, leaves home. Yet, Yun-bok comforts his younger brothers, makes a poor living by shining shoes, and keeps his journal everyday.
| Actor | Role |
|---|---|
| KKim Cheon-manLee Yun-bok | Lee Yun-bok |
 Shin Young-kyunKim Dong-sik | Kim Dong-sik |
| JJang Min-hoLee Jeong-hee | Lee Jeong-hee |
| JJeong Hae-jeongSunna | Sunna |
| KKim Yong-yeonYun-sik | Yun-sik |
| LLee Ji-yeonTae-sun | Tae-sun |
 Bang Su-ilPark Yong-ung | Park Yong-ung |
 Jo Mi-ryeongKim Yeong-ok | Kim Yeong-ok |
| CChoi Nan-kyeongShin Suk-ja | Shin Suk-ja |
 Ju Jeung-nyeoPark U-ok | Park U-ok |
 Kim Dong-wonPrincipal | Principal |
 Kim Sung-wonTeacher Lee | Teacher Lee |
 Kim Jeong-okNot listed | Not listed |
 Kim Shin-jaeLady Lee | Lady Lee |
 Hwang Jeong-sunKim Sang-nam | Kim Sang-nam |
| Bang Su-ilPark Yong-woong | Park Yong-woong |
 Park Sang-ikUncle Young-so | Uncle Young-so |
 Kang Kye-shikVice-Principal | Vice-Principal |
 Lee Up-dongGambler | Gambler |
 Jeon Young-sunJang Kyung-ae | Jang Kyung-ae |
| LLee Pung-guChild | Child |
 Lim Hae-rimGambler | Gambler |
 Kim Ki-beomGambler | Gambler |
| KKim Yong-hakOrchard worker | Orchard worker |
 Choe JunGambler | Gambler |
| HHan Se-hunAgent | Agent |
| HHan SeongCustomer | Customer |
 Yeong-chang KimPickpocket | Pickpocket |
 Lee Chang-dongKid | Kid |