Yang Joo-ho

as Director Kang

as Gun Dealer

as Insurance Company Branch Manager

as Seung-il

as Yong-Goo

as Jung Shik [Bullied student]

as [Loan shark] • 1 eps

as [Detective] • 16 eps

as [Investor] • 2 eps

as Director Shin • 2 eps

as Byeon Tae Sik • 16 eps

as Bae Seung Gwan [Young] • 6 eps

as [#402 Resident] • 5 eps

as Do Hyun [Restaurant] • 16 eps

as [Kim Ha Young's husband] • 3 eps

as [Kim Sung Hee's guardian] • 2 eps

as [Waikiki guest] • 1 eps

as Oh Ji Hoon [Reporter, 1986] | [Taxi Driver, 2017] • 16 eps

as Knock Boy • 16 eps

as Ko Won Gi [Vimo Island Emergency Call Team] • 14 eps

as Manager Yang • 16 eps

as Biology Teacher • 12 eps

as Kim Joon Seo • 16 eps

as Wang Jae-Soo • 1 eps

as Choi Tae Soo • 3 eps

as Sang Beom • 4 eps

2 eps

as Choi Sung Jo • 165 eps

as Suk Chil • 32 eps

as [Young Soo's friend] • 64 eps