as Watchman at Seowon station

as Filmmaker

as Kim Dong-hwan

as Mayor

as Manager

as Senior Statesman 4

as Retainer 1

as Yu

as Detective Choi

as Gyeong-bin

as Boss Yoon

as Head of the Detective Department (ep. 2)

as Mr. Hwang

as Village Head Chang Yu-Tang

as Choi Moon-seon

as General Myeongryun

as Seungil

as Kim Seok-deok (Youngsook's husband)

as Kang Man-guk

as Han Kim

as Won Se-jong (Sang-hyeon's middle school classmate)