Lim Cheol-soo

Cha Jeong-Il

Kim Jeong-su (Kim PD)

Jang Dong-geon / "Brown Finger"

Detective

Lee Choong-gu

Yoo Hong -jae

Kang Young-woo

Park Jong-seon

Go Yang-Hui

Private investigator

Mr. Oh

Chief Im

Actor

Na Kang-nam

Master Lee Cheol

Master Lee Cheol

Unknown Role

Bang-ga

Self

An Gi-seok