헤드

박예진

Hong-joo

ペク・ユンシク

Baek-jung

リュ・ドクファン

Hong-je

オ・ダルス

Professor Kim Sang-chul / Professor Oh Byung-seok

데니 안

Kang Seung-wan

박영서

Yong-yi

ウ・ヒョン

Mr. Park

최재섭

Teaching Assistant Lim Hee-cheol

クァク・ドウォン

Senior Jeong

Baek Jae-ho

Detetctive Kim

Jang Joon-nyeong-I

Detective Park

장소연

Baek-jung's wife