As anticipation builds for the return of Netflix’s acclaimed Korean zombie series, All of Us Are Dead Season 2 promises a compelling blend of returning favorites and intriguing newcomers. Here’s a comprehensive look at the cast and what fans can expect from the next chapter.
Main Returning Cast
Netflix has officially confirmed the return of the original core survivors, whose performances anchored the high-stakes drama of the first season:
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Park Ji-hu reprises her role as Nam On-jo, now a university student in Seoul still grappling with the trauma of Hyosan’s devastation.
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Yoon Chan-young returns as Lee Cheong-san, whose fate was one of the most hotly debated cliffhangers from the Season 1 finale.
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Cho Yi-hyun returns as the resilient class president, Choi Nam-ra.
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Lomon once again plays Lee Su-hyeok, balancing survivor’s guilt with a drive to rebuild.

These characters provide continuity, anchoring the story as it transitions from the familiar confines of Hyosan High to the bustling metropolis of Seoul.
New Faces in Season 2
Season 2 expands its universe with a set of dynamic new characters, each portrayed by rising talents in the Korean entertainment industry:
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Lee Min-jae (noted for “Weak Hero: Class 2”) as Yong Ma-ru, one of On-jo’s new university peers.
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Kim Si-eun (“Squid Game Season 2”) stars as So Ju-ran, also a close friend of On-jo at university.
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Yoon Ga-i appears as Lee Jong-ah, rounding out On-jo’s new group in Seoul.
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Roh Jae-won (“Squid Game” Seasons 2 and 3) takes on the pivotal role of Han Du-seok, a team leader at the National Intelligence Service whose presence is expected to add tension and high stakes.

Supporting and Returning Characters
Several supporting characters from the original cast are confirmed or expected to return, providing both emotional resonance and continuity to the narrative:
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Lee Eun-saem as Park Mi-jin.
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Im Jae-hyeok as Yang Dae-su.
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Ha Seung-ri as Jang Ha-ri.
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Kim Bo-yoon as Seo Hyo-ryung.
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Other recurring characters, including university classmates and colleagues of the main cast, are either reprising their roles or being introduced.
Notable Additions and Cameos
Season 2 will introduce more new faces and may feature appearances by actors from other hit series (“Squid Game” stars among them), reinforcing Netflix’s strategy of connecting successful talent across projects and expanding its K-content universe.
Behind the Scenes
The creative core of the show remains intact:
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Directors Lee JQ (“Daily Dose of Sunshine”) and Kim Nam-su return to helm the new episodes.
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Screenwriter Chun Sung-il, known for his practical character work, will continue to guide the storyline.
What the Expanded Cast Means for Season 2

The influx of new characters sets the stage for fresh story arcs:
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The action will focus on On-jo’s struggles as a university student, forced to confront both new friendships and a renewed outbreak in Seoul.
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New group dynamics and the introduction of National Intelligence Service personnel promise to broaden the series’ emotional and narrative scope, moving from isolated survival to a larger societal crisis.
Caveats and Fan Theories
Given the ambiguity surrounding the fate of certain characters at the end of Season 1—especially Lee Cheong-san—there is ongoing fan speculation about how these arcs will be resolved in Season 2. Netflix’s official cast announcements, however, reaffirm his integral role moving forward.
In Summary
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Original survivors (Park Ji-hu, Yoon Chan-young, Cho Yi-hyun, Lomon) reprise their key roles.
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New cast members Lee Min-jae, Kim Si-eun, Yoon Ga-i, and Roh Jae-won will shape the new narrative.
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The setting shifts to Seoul, raising the stakes both emotionally and in terms of scale.
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The production team behind season 1 returns, promising continuity in tone and quality.
The casting for All of Us Are Dead Season 2 reflects Netflix’s commitment to evolving the beloved horror drama while deepening its characters and themes for old and new audiences alike.