The Penthouse

Lee Ji-ah

Shim Soo-ryun

Kim So-yeon

Cheon Seo-jin

Eugene

Oh Yoon-hee

Park Ho-san

Yoo Dong-pil

Uhm Ki-joon

Joo Dan-tae

Shin Eun-kyung

Kang Ma-ri

On Ju-wan

Baek Joon-ki

Bong Tae-gyu

Lee Gyu-jin

Yoon Jong-hoon

Ha Yoon-chul

Park Eun-seok

Logan Lee

Yoon Joo-hee

Go Sang-ah

Ha Do-kwon

Ma Doo-gi

Ahn Yeon-hong

Jin Boon-hong

Kim Hyeon-soo

Bae Ro-na

Jin Ji-hee

Yoo Je-ni

Kim Young-dae

Joo Seok-hoon

Han Ji-hyeon

Joo Seok-kyung

Choi Ye-bin

Ha Eun-byeol

Lee Tae-vin

Lee Min-hyeok

Kim Dong-Kyu

Secretary Jo

Kim Do-hyeon

Secretary Do

Choi Seo-yeon

Kwon Hye-mi

Ha Min

Kang Ok-gyo

Kim Ri-won

Maid Ann Ji-min