The Penthouse (2020) — Cast
Cast
| Kim Do-hyeon | Mussburger's Secretary |
| Ahn Yeon-hong | Hong |
| Shin Eun-kyung | Kang Ha-ri |
| Uhm Ki-joon | Se-joo |
| Eugene | Yoon Bom |
| Ha Do-kwon | GI |
| Kim Hyeon-soo | Ro |
| Lee Ji-ah | Shim |
| Kim So-yeon | Cheon-doong |
| Uhm Ki-joon | Tae-suk |
| Park Ho-san | Pil |
| On Ju-wan | Baek-Poong |
| Kim Do-hyeon | Mussburger's Secretary |
| Choi Seo-yeon | Mi Biao |
| Kim Ri-won | Ann |
| Eugene | Yoon Bom |
| Yoon Joo-hee | Sang |
| Kim Dong-Kyu | Mussburger's Secretary |
| Choi Seo-yeon | Kwon Taehee |
| Choi Ye-bin | Saet-byeol |
| Han Ji-hyeon | Mun-seok |
| Ha-min | Gyo |
| Jin Ji-hee | Je-seop |
| Lee Tae-vin | Hyeok |
| Bong Tae-gyu | Lee |
| Yoon Jong-hoon | Chul |
| Bong Tae-gyu | Lee |
| Yoon Joo-hee | Sang |
| Shin Eun-kyung | Kang Ha-ri |
| Park Eun-seok | Lee |
| Kim Young-dae | Hoon |
| Kim Hyeon-soo | Ro |
| Ha Do-kwon | GI |
| Ahn Yeon-hong | Hong |
| Jin Ji-hee | Je-seop |
| Lee Tae-vin | Hyeok |
| Han Ji-hyeon | Se-joo |
| Choi Ye-bin | Eun-sil |
| Kim Dong-Kyu | Mussburger's Secretary |
| Ha Mheen | Gyo |
| Kim Ri-won | Maid |
| Park Ho-san | Pil |
| Kim So-yeon | Cheon-doong |
| On Ju-wan | Joon-pyo |
| Lee Ji-ah | Shim |
| Kim Young-dae | Hoon |
| Park Eun-seok | Lee |
| Yoon Jong-hoon | Chul |
Crew
| Kang Sook | Storyboard |
| Baek Kyung-chan | Martial Arts Choreographer |
| Kang Sook | Continuity |
| Park Soo-jin | Co-Director |
| Park Soo-jin | Co-Director |
| Kang Sook | Continuity |
| Kang Sook | Storyboard |
| Kim Soon-ok | Writer |
| Joo Dong-min | Director |
| Joo Dong-min | Director |
| Baek Kyung-chan | Martial Arts Choreographer |
| Kim Soon-ok | Writer |