Tầng Lớp Itaewon

Ahn Bo Hyun

Jang Geun Won

Kim Dong Hee

Jang Geun Soo [Dae Hee's 2nd son / DanBam part-timer]

Lee Joo Young

Ma Hyun Yi [DanBam Chef]

Ryu Kyung Soo

Choi Seung Kwon [DanBam employee]

Kim Hye Eun

Kang Min Jung [Jangga Director]

Chris Lyon

Kim Toni [DanBam part-timer]

David Lee

Lee Ho Jin [Sae Royi's classmate]

Yoon Gyung Ho

Oh Byung Hun [Detective]

Cha Mi Kyung

Kim Soon Rye [Real estate mogul]

Won Hyun Joon

Kim Hee Hoon [Prisoner]

Hong Seo Joon

Mr. Kim [Dae Hee's assistant]

Son Hyun Joo

Park Sung Yul [Sae Royi’s father / Jangga employee] (Ep. 1-2, 15)

Kim Yeo Jin

Jo Jung Min [Yi Seo's mother]

Choi Yu Ri

Oh Hye Won [Byung Hun's daughter]