Cast & crew
Smile Again (2006)
Cast
| Kim Hee-seon | Oh Dan-hee |
| Lee Dong-gun | Ban Ha-jin |
| Lee Jin-uk | Yoon Jae-myung |
| Yoon Se-a | Choi Yoo-kang |
| Kim Bo-yeon | Sara Jung / Jung Ye-boon |
| Rie Young-zin | Jung Hyun-soo |
Smile Again (2006)
| Kim Hee-seon | Oh Dan-hee |
| Lee Dong-gun | Ban Ha-jin |
| Lee Jin-uk | Yoon Jae-myung |
| Yoon Se-a | Choi Yoo-kang |
| Kim Bo-yeon | Sara Jung / Jung Ye-boon |
| Rie Young-zin | Jung Hyun-soo |