character - Boss Yoon

character - Head of the Detective Department (ep. 2)

character - Gyeong-bin

character - Mr. Hwang

character - Village Head Chang Yu-Tang

character - Yu

character - Detective Choi

character - Watchman at Seowon station

character - Senior Statesman 4

character - Retainer 1

character - Manager

character - Mayor

character - Filmmaker

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

character - Han Kim

character - Kim Seok-deok (Youngsook's husband)

character - Kang Man-guk

character - Kim Dong-hwan

character - Seungil

character - General Myeongryun

character - Choi Moon-seon