The Beauty Inside (2018) — Cast
Cast
| Ahn Jae-hyun | Eun-sil |
| Na Young-hee | Wan Jung |
| Kim Hee-jung | Han Solo |
| Kang Nam-gil | Byeong-sik |
| Lee Tae-ri | Wan Jung |
| Oh Se-young | Se-joo |
| Seo Hyun-jin | Kye |
| Park Hyun Jung | Min-gyu |
| Ryu Hwa-young | Chae |
| Lee Moon-su | CEO |
| Lee Han-wi | Eun-sil |
| Lee Cheol-min | Sector Director |
| Lee Da-hee | Ra |
| Kwon Hae-sung | Lee |
| Lee Min-ki | Jae-yeong |
| Kim Yeong-hun | Choi |
| Kim Ye-ryeong | Eun-sil |
| Moon Ji-in | Hyun-woo |
Crew
| Ham Yeong-hoon | Producer |
| Im Mea-ri | Writer |
| WENDY | Theme Song Performance |
| Lee Hae-ri | Theme Song Performance |
| Kang Min-kyung | Theme Song Performance |
| K.Will | Theme Song Performance |
| Jang Kyung-ik | Executive Producer |
| Kim Woo-taek | Executive Producer |
| Syd Lim | Executive Producer |
| Song Hyun-wook | Director |