Im Cheol-soo

as Detective

as Chief Im

as Bang-ga

as Student

as Kim Sang-soo

as Gips

as Hae Won-maek's Subordinate

as Firefighter

as Marine Products Young Man

as Sales Manager • 2 eps

as Cha Jeong-il • 16 eps

as Kim Jeong-su (Kim PD) • 4 eps

as Jang Dong-geon / "Brown Finger" • 12 eps

as Lee Choong-gu • 12 eps

as Yoo Hong -jae • 1 eps

as Kang Young-woo • 6 eps

as Park Jong-seon • 12 eps

as Go Yang-Hui • 16 eps

as Private investigator • 3 eps

as Mr. Oh • 3 eps

as Actor • 1 eps

as Na Kang-nam • 16 eps

as Master Lee Cheol • 30 eps

1 eps

as Self • 2 eps

as An Gi-seok • 20 eps

as Park Soo-chan • 11 eps

as Park Jae-Ho • 32 eps

as Jeon Seung-jae • 24 eps

as Informant • 3 eps

as Song Yoo-Jin • 50 eps

as Self • 1 eps