Hilleo The First Kiss That Day (2014–2015) Online
| Episode credited cast: | |||
 | Chang-Wook Ji | - | Seo Jung-Hoo |
 | Min-Young Park | - | Chae Young-shin |
| Rest of cast listed alphabetically: | |||
 | Ji-won Do | - | Choi Myung-Hee (as Ji-Won To) |
| Sung-Bum Jang | - | Lee Jong-Soo |
| Gyu-su Jeong | - | Secretary Oh |
 | Han-chul Jo | - | Yoon Dong-won (as Han-Cheol Jo) |
| Mi-kyung Kim | - | Jo Min-Ja |
| Ri-na Kim | - | Joo Yeon-Hee |
| Jong-Hyuk Oh | - | Oh Gil-Han |
| Kwang-rok Oh | - | Ki Young-Jae |
| Sang-Myeon Park | - | Chae Chi-soo (as Sang-Myun Park) |
| Sang-won Park | - | Kim Moon-sik |
| Sang-wook Park | - | Bae Sang-soo |
| Won-Sang Park | - | Jang Byeong-Se (as Won-sang Park) |
| Seung-Won Son | - | Moon-Sik (Young) |