Jin Soo-wan

Son Jeong-hyeon

려운

Ha Eun-gyeol

최현욱

Ha Yi-chan

설인아

Choi Se-gyeong / On Eun-yu

신은수

Yoon Chung-ah

최원영

Eun-gyeol's Father

서영희

Eun-gyeol's Mother

정상훈

Master

천호진

Grandpa Viva

고두심

Go Yang-hee

Kim Joo-ryoung

Im Ji-mi