Cast from Green Days

Park Shin-hye

Oh Yi-Rang (voice)

Song Chang-eui

Kim Chul-su (voice)

Oh Yeon-seo

Han Soo-min (voice)

Um Sang-hyun

Chul-su's Uncle (voice)

Jeon Hye-yeong

Min-jeong (voice)

Seo Joo-ae

Ko Kyeong-ah (voice)