SBS revealed the cast of their new upcoming drama, "Penthouse." On September 2, the network confirms the main cast of the drama "Penthouse," who are Lee Ji Ah, Kim So Yeon, Eugene, Uhm Ki Joon, Shin Eun Kyung, Bong Tae Gyu, Yoon Joo Hee, Park Eun Seok, and, Yoon Jong Hoon. The new drama will air every Monday– Tuesday later this year.