I Wanna Hear Your Song: Reparto
Yeon Woo-jin
Jang Yoon
Kim Se-jeong
Hong Yi-Young
Song Jae-rim
Nam Joo-Wan
Park Ji-yeon
Ha Eun-Joo
Lee Si-won
Hong Soo-Young
Yoon Joo-hee
Yoon Mi-Rae
A-TOM
Moon Jae-Hyeong
Yoo Gun
Michael Lee
Park Chan-hwan
Hong Ji-Sub
Yoon Bok-in
Park Young-Hee
Hong Seung-hee
Yang Soo Jung [Secretary]