Jeong Seok-yong

as Jae-ryong

as Bo-ra's Father

as Yang-hee

as Joon-mo's Friend (voice)

as Manager Park

as Car Center Manager

as Moon

as vice-principal

as Seupan

as Chief Choi

as Gwang tae

as Captain of KTX

as Girl's uncle

as Eunuch Hong

as Mr. Woo

as Min-ki's Father

as Police

as Mr. Kim

as Jong-ki

as Abai

as Police

as Investigator Yook

as Refugee

as Lee Cheol-jin • 12 eps

as Oh Choon-Bae • 10 eps

as Yoo Hong-cheol • 14 eps

as Jang Chun-sik • 12 eps

as Lee Hak-chan • 16 eps

as Se Dong • 16 eps

as Kim Hyun-mo • 16 eps

as Hwang Man-sung • 12 eps

as Dong Dong-sam • 1 eps

as Nam Sang-gun • 16 eps

as Mr. Kim • 11 eps

as Mr. Lee • 1 eps

as So-hee's Publishing Team Director • 2 eps

as Oh Min-u • 6 eps

as Yoon Yeong-su • 10 eps

as Woo Jae-pil • 1 eps

as Kang Tae-Ryong • 16 eps

as Park Chun-Bok • 17 eps

as Yoon Tae-ha • 16 eps

as Kang Sung-Tae • 16 eps

as Team Leader Jo • 32 eps

as Jeong Seok-Yong • 1 eps

as Yook Bang-woo • 18 eps

as Bong Man-Shik • 18 eps