7
/10
Lee Cheong-san is a fictional character portrayed by Chan-Young Yoon in the TV series All of Us Are Dead.
In the first episode they appeared in, titled Episode #1.1 (season 1), they were 20 years old.
They appear in all 12 aired episodes so far and have accumulated 119180 positive votes.
The character of Lee Cheong-san is mainly associated with Nam On-jo, Lee Su-hyeok and Han Gyeong-su.

Lee Cheong-san

by Chan-Young Yoon

character

Episodes12

  • 7.4
    /10

    Episode #1.1
    episode S1.E1 january 2022
    Inside Lee Byeong-Chan's science lab, a student incurs a seemingly harmless bite. Shortly after, a fast-spreading outbreak soaks the school in blood.
  • 7.8
    /10

    Episode #1.2
    episode S1.E2 january 2022
    The infected multiply in droves. Scrambling for their lives, Nanm On-Jo and Lee Cheong-San find safety with others inside a classroom-but not for long.
  • 7.9
    /10

    Episode #1.3
    episode S1.E3 january 2022
    When one of the group is scratched while fighting a zombie, Lee Na-yeon demands they kick him out. Outside, the virus swallows up the city.
  • 7.6
    /10

    Episode #1.4
    episode S1.E4 january 2022
    In need of a cellphone, two students take a risky journey to the teachers' office. Byeong-chan passes on critical information to Detective Song Jae-ik.
  • 7.9
    /10

    Episode #1.5
    episode S1.E5 january 2022
    Martial law is imposed on the city. When Cheong-san is separated from the rest of the group, On-jo leads a mission to use a drone to locate him.
  • 7.4
    /10

    Episode #1.6
    episode S1.E6 january 2022
    The group clears a path to Cheong-an using sound to draw away the zombies, but a new type of threat surfaces. Nam So-ju breaks out of the quarantine camp.
  • 7.8
    /10

    Episode #1.7
    episode S1.E7 january 2022
    To make it out of the music room and onto the roof, the students put into action their most perilous plan yet. Elsewhere, Jae-ik comes across a setback.
  • 7.7
    /10

    Episode #1.8
    episode S1.E8 january 2022
    Jae-ik and his crew run into a student from the school. Na-yeon works up the courage to face her peers. The group shares confessions around a fire.
  • 7.8
    /10

    Episode #1.9
    episode S1.E9 january 2022
    A disturbance at the quarantine camp shifts the military's understanding of the virus. A thunderstorm provides cover as the group agrees to keep on moving.
  • 7.9
    /10

    Episode #1.10
    episode S1.E10 january 2022
    The auditorium quickly becomes a trap for the two newly united teams of survivors. Byeong-chan's video logs reveal a drastic solution to the crisis.
  • 8
    /10

    Episode #1.11
    episode S1.E11 january 2022
    Though a surprise protector provides the group safe passage to their next stop, Yoon Gwi-nam is not far behind. The military makes a grave decision.
  • 7.4
    /10

    Episode #1.12
    episode S1.E12 january 2022
    The students make it to the quarantine camp, each of them weighed down by tragic loss. Months later, they hang on to hope for a survivor.

Best moments10

  • 8
    /10
    93% of the votes

    Episode #1.11
    episode S1.E11 january 2022
    Though a surprise protector provides the group safe passage to their next stop, Yoon Gwi-nam is not far behind. The military makes a grave decision.
  • 7.6
    /10
    87% of the votes

    Episode #1.4
    episode S1.E4 january 2022
    In need of a cellphone, two students take a risky journey to the teachers' office. Byeong-chan passes on critical information to Detective Song Jae-ik.
  • 7.9
    /10
    86% of the votes

    Episode #1.5
    episode S1.E5 january 2022
    Martial law is imposed on the city. When Cheong-san is separated from the rest of the group, On-jo leads a mission to use a drone to locate him.
  • 7.8
    /10
    74% of the votes

    Episode #1.9
    episode S1.E9 january 2022
    A disturbance at the quarantine camp shifts the military's understanding of the virus. A thunderstorm provides cover as the group agrees to keep on moving.
  • 7.8
    /10
    73% of the votes

    Episode #1.2
    episode S1.E2 january 2022
    The infected multiply in droves. Scrambling for their lives, Nanm On-Jo and Lee Cheong-San find safety with others inside a classroom-but not for long.
  • 7.7
    /10
    68% of the votes

    Episode #1.8
    episode S1.E8 january 2022
    Jae-ik and his crew run into a student from the school. Na-yeon works up the courage to face her peers. The group shares confessions around a fire.
  • 7.9
    /10
    55% of the votes

    Episode #1.10
    episode S1.E10 january 2022
    The auditorium quickly becomes a trap for the two newly united teams of survivors. Byeong-chan's video logs reveal a drastic solution to the crisis.
  • 7.4
    /10
    50% of the votes

    Episode #1.6
    episode S1.E6 january 2022
    The group clears a path to Cheong-an using sound to draw away the zombies, but a new type of threat surfaces. Nam So-ju breaks out of the quarantine camp.
  • 7.4
    /10
    30% of the votes

    Episode #1.1
    episode S1.E1 january 2022
    Inside Lee Byeong-Chan's science lab, a student incurs a seemingly harmless bite. Shortly after, a fast-spreading outbreak soaks the school in blood.
  • 7.9
    /10
    19% of the votes

    Episode #1.3
    episode S1.E3 january 2022
    When one of the group is scratched while fighting a zombie, Lee Na-yeon demands they kick him out. Outside, the virus swallows up the city.

Votes per episode

Season 1
6.1K
E1
14K
E2
3.8K
E3
15K
E4
15K
E5
8.5K
E6
2.9K
E7
11K
E8
12K
E9
8.9K
E10
18K
E11
2.7K
E12
Season 2
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E1