히든페이스

송승헌

Sung-jin

Cho Yeo-jeong

Su-yeon

박지현

Mi-ju

박지영

Hye-yeon

박성근

Office Manager

차미경

Sung-jin's Mother

변중희

Ms. Park

박영준

Deputy Concertmaster

Joo Ye-rin

Su-yeon's Friend

이소영

Su-yeon's Friend

고나영

Su-yeon's Friend

손은호

Su-yeon's Friend