Jang Won-young

as Shim Gang-hun(2 eps)

as Mr. Kim Soon-kwan(12 eps)

as Kim Hee-do(14 eps)

as Executive manager Kim(3 eps)

as Mr. Bang(14 eps)

as Oh Cheon-won(8 eps)

as CEO Kim OMEGA Entertainment CEO(1 ep)

as Doctor

as Doo-hee

as Joo In-do(32 eps)

as Mr. Yang(1 ep)

as Kang Moo-Sung(1 ep)

as Director Park(16 eps)

as Train Pervert(1 ep)

as Kwon

as Kwon Chang-tae(3 eps)

as Suk-ho

as 악어(16 eps)

as Department head Kang

as 이철만(16 eps)

as Jang Won-young(16 eps)

as Choi Kyu-sik(1 ep)

as Leather Man

as Kim-yong

as Shin-ja's Son

as Mr. Choi

as 계동춘(21 eps)

as Coffee shop

as Song Ji-man

as high school baseball coach