Cheong san real name - Yoon Gwi

All of Us Are Dead season 1, episode 11 recap

Actor Son Sang-yeon has starred in various live shows, television series, web series, and films since his 2016 acting debut.

Retrieved January 28, 2022 — via Naver.
With no food or water, and communication cut-off by the government, they must use equipment around the school to protect themselves in the midst of a battleground or they will become part of the infected.

The survivors later reach the school's construction site and stay on its balcony.

While reports the show has been drawing comparison to fellow hit Korean drama the series is set during , and more specifically, inside a high school where desperate teen survivors must find a way to escape the chaos that follows a worldwide outbreak of the Jonas Virus.
Yoon Chan-young as Lee Cheong-san Cheong-san's relationship with his neighbor and classmate On-jo is one of the most compelling aspects of All Of Us Are Dead, with the pair routinely battling the zombie hordes together both inside and out of Hyosan High School.