as Sergeant Jung

as Gi-jung

as Jang Gap-soo

as Kim Sung-Sik’s boss

as Yeon-bok

as Im Jae-yeol

as

as Consul Park

as Yang Yeong-ki

as Hyung-ju

as Evaluator

as Teacher Choi

as Oh Seok-hyeon

as Min-ho

as Jin-gyoo

as Mr. Sung

as Jung-soo

as Sung-il

as Soo-min

as Director / Janitor

as Homeroom Teacher