Penthouse: Cuộc Chiến Thượng Lưu (Phần 3)

Uhm Ki Joon

Joo Dan Tae

Yoon Jong Hoon

Ha Yoon Chul

Shin Eun Kyung

Kang Ma Ri

Bong Tae Kyu

Lee Gyu Jin

Yoon Joo Hee

Ko Sang A

Park Eun Seok

Logan Lee | Alex Lee

Kim Hyun Soo

Bae Ro Na

Kim Young Dae

Joo Seok Hoon

Han Ji Hyun

Joo Seok Kyung [Dan Tae & Soo Ryun's daughter]

Choi Ye Bin

Ha Eun Byul

Jin Ji Hee

Yoo Je Ni [Ma Ri's daughter]

Lee Tae Vin

Lee Min Hyuk [Gyu Jin & Sang Ah's son]

Park Ho San

Yoo Dong Pil [Je Ni's father]

Ohn Joo Wan

Baek Joon Ki / Joo Dan Tae

Ahn Yun Hong

Jin Bun Hong [Eun Byul's personal tutor]

Kim Dong Kyu

Secretary Jo

Kim Jae Hong

Mr. Hong [Secretary]

Kim Do Hyun

Mr. Do [Secretary]

Ha Do Gwon

Ma Doo Gi [A high-end opera teacher]