Cast & crew
Beethoven Virus (2008)
Directed by JQ Lee Written by Hong Jin-Ah, Hong Ja Ram
Cast
| Lee Ji-ah | Du Ru Mi |
| Jang Keun-suk | Kang Gun Woo |
| Lee Soon-jae | Kim Gab Yong |
| Hyun Jyu-ni | Ha Yi Deun |
| Kim Myung-min | Kang Gun Woo |
| Song Ok-suk | Jung Hee Yun |
| Park Cheol-min | Bae Yong Gi |
| Lee Bong-gyu | Park Jin Man |
| Jo Eun-seo | Kim Joo Yeon |
| Choi Hee-won | Bo Ra |
| Jeong Seok-yong | Park Hyuk Kwon |
| Kim Young-min | Jung Myung Hwan |
Crew
| Taeyeon | Theme Song Performance |
| JQ Lee | Director |
| Hong Jin-Ah | Screenplay |
| Hong Ja Ram | Screenplay |
| Park Chang Shik | Producer |