마음의 소리

Jeong Jae-heon

as

조석

Park Go-woon

as

애봉이, 애봉이 엄마

Nam Doh-hyeong

as

조준, 센세이션, 고봉이,...

Lee Won Chan

as

조철왕 (아빠)

Kang Shin-hyung

as

권정권 (엄마) , 행봉이...