Do Do Sol Sol La La Sol

as

Goo Ra-Ra

as

Sun Woo-Joon

as

Cha Eun-Seok

as

Jin Ha-Young

as

Jin Sook-Kyeong

as

Kim Man-Bok

as

Gong Mi-Sook

as

Jo Yoon-Sil

as

Sunwoo Myung

as

Im Ja-Kyeong

as

Kim Shi-Ah

as

Lee Seung Gi [Ha Yeong's friend]

as

Director

as

Director

as

Vocals

as

Vocals

as

Vocals

as

Writer