Seong So-min

as Boss Yoon

as Head of the Detective Department (ep. 2)

as Gyeong-bin

as Mr. Hwang

as Village Head Chang Yu-Tang

as Yu

as Detective Choi

as Watchman at Seowon station

as Senior Statesman 4

as Retainer 1

as Manager

as Mayor

as Filmmaker

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

as Han Kim

as Kim Seok-deok (Youngsook's husband)

as Kang Man-guk

as Kim Dong-hwan

as Seungil

as General Myeongryun

as Choi Moon-seon