โน้ตรักทำนองหวาน

고아라

Goo Ra-Ra

이재욱

Sun Woo-Joon

김주헌

Cha Eun-Seok

신은수

Jin Ha-Young

예지원

Jin Sook-Kyeong

이순재

Kim Man-Bok

문희경

Gong Mi-Sook

서이숙

Jo Yoon-Sil

최광일

Sunwoo Myung

전수경

Im Ja-Kyeong

김주연

Kim Shi-Ah

오기광

Lee Seung Gi [Ha Yeong's friend]

정연

Mi-ran