박예진

Hong-joo

백윤식

Baek-jung

류덕환

Hong-je

오달수

Professor Kim Sang-chul / Professor Oh Byung-seok

데니 안

Kang Seung-wan

박영서

Yong-yi

우현

Mr. Park

최재섭

Teaching Assistant Lim Hee-cheol

곽도원

Senior Jeong