Hong Sang-soo's Lost in the Mountains depicts Mi-sook's suffering when she discovers her friend Jin-young has been secretly sleeping with her lover.
| Actor | Role |
|---|---|
 Jung Yu-miMi-sook | Mi-sook |
 Lee Sun-kyunMyeong-woo | Myeong-woo |
 Moon Sung-keunJeon Sang-ok | Jeon Sang-ok |
| EEun Hee-kyungNovelist | Novelist |
| KKim Jin-kyoungJin-young | Jin-young |