Main characters:
Early stage: Kang Eun-bi--Kim Eun-bi, Im Eun-kyung--Kim Eun-kyung, Seo Jae-kyung--Kim Jae-kyung
SuperJunior members--Kim Ki-bum and Kim Heechul
Jung Eui-cheol Lee Min-ki Lee Sang-mi Hwang Bora Park Hee-bon Park Hee-jin Uhm Hyun-kyung