Im Cheol-soo

Sales Manager • 2 episodes

Kim Jeong-su (Kim PD) • 4 episodes

Cha Jeong-il • 16 episodes

Lee Choong-gu • 12 episodes

Detective

Jang Dong-geon / "Brown Finger" • 12 episodes

Private investigator • 3 episodes

Kang Young-woo • 6 episodes

Park Jong-seon • 12 episodes

Go Yang-Hui • 16 episodes

Yoo Hong -jae • 1 episodes

Mr. Oh • 3 episodes

Chief Im

Master Lee Cheol • 30 episodes

Actor • 1 episodes

Na Kang-nam • 16 episodes

An Gi-seok • 20 episodes

Self • 2 episodes

Bang-ga

Student

Park Soo-chan • 11 episodes

Gips

Kim Sang-soo

Hae Won-maek's Subordinate

Jeon Seung-jae • 24 episodes

Park Jae-Ho • 32 episodes

Firefighter

Informant • 3 episodes

Marine Products Young Man

Song Yoo-Jin • 50 episodes

Self • 1 episodes