All of Us Are Dead | Meet the Cast | Netflix India
All of Us Are Dead | Meet the Breakout Cast of Netflix’s Global K-Zombie Sensation
When Netflix unleashed the zombie apocalypse upon Hyosan High School, the world was instantly hooked. All of Us Are Dead transcended borders, becoming a global phenomenon and one of the streaming platform’s most-watched non-English series of all time. In a testament to the immense popularity of K-dramas, the show immediately became a top trend in countries like India, dominating the charts and sparking widespread discussion about its blend of raw survival horror, high-school drama, and poignant social commentary.
The intensity of the series hinged entirely on its young, largely unfamiliar cast, who delivered performances of incredible emotional depth and physical commitment. This new generation of stars has since vaulted to global fame. Here is a look at the breakout actors who brought the students of Hyosan High to terrifying, vivid life.
The Core Four: The Survivors and Their Stories
The heart of All of Us Are Dead lies in the dynamics between its main high school quartet, whose intertwined fates dictated the narrative of survival and sacrifice.
1. Yoon Chan-young as Lee Cheong-san
The Selfless Hero and Childhood Best Friend
Yoon Chan-young’s portrayal of Lee Cheong-san, the dependable boy-next-door who is secretly in love with his childhood friend On-jo, captured the hearts of millions. Cheong-san represents the moral compass of the group, a student whose quick thinking and willingness to sacrifice himself for others makes him the ultimate hero.
- Veteran at a Young Age: Despite his youthful appearance, Yoon Chan-young is a seasoned actor who began his career as a child star in 2013. His experience allowed him to bring complexity and maturity to the role of a desperate survivor.
- The Unofficial Return: Though his character’s fate at the end of Season 1 was ambiguous, fans in India and worldwide rejoiced at the news of his confirmed return for Season 2, suggesting a major twist in the unfolding zombie saga.
- Real-Life Chemistry: Interestingly, the actor who plays his sworn enemy, Yoo In-soo (Gwi-nam), is a close friend of his in real life, a stark contrast to their on-screen rivalry.
2. Park Ji-hu as Nam On-jo
The Pragmatist with Survival Skills
Nam On-jo is the daughter of a firefighter, and her practicality and foundational survival knowledge—taught to her by her father—become the group’s most valuable asset. Park Ji-hu plays On-jo with a grounded, relatable vulnerability.
- The Only Real High Schooler: In a rare feat for a K-drama with high school setting, Park Ji-hu was the only main cast member who was actually a high school student during the two-year-long filming period of the first season.
- Acclaimed Beginnings: Before achieving global recognition in All of Us Are Dead, Park Ji-hu won multiple Best New Actress awards for her lead role in the critically acclaimed independent film, House of Hummingbird (2018).
- Future Projects: Her success on Netflix led to a major role in the hit K-drama Little Women (2022), proving her versatility beyond the horror genre.
3. Lomon (Park Solomon) as Lee Su-hyeok
The Former Delinquent Turned Fearless Protector
Lee Su-hyeok, known as ‘Barefoot’ for his agile fighting style, is the charismatic, athletic student who uses his physical prowess to protect his friends. Lomon, who uses the stage name Lomon, delivers a captivating performance as the reformed bully trying to do right in an impossible situation.
- Instant Global Star: Following the show’s release, Lomon’s popularity exploded, with his Instagram follower count surging by millions in a matter of days.
- International Roots: Lomon is an Uzbekistan-born South Korean actor of Koryo-saram descent (ethnic Koreans in Central Asia) who spent part of his childhood in Russia before moving to Korea.
- The Cost of Action: The intense martial arts choreography required all the young leads to train for three months. Lomon’s commitment was so high that an intense action sequence reportedly left him bedridden and needing acupuncture afterward.
4. Cho Yi-hyun as Choi Nam-ra
The ‘Hambie’ and Quiet Class President
Choi Nam-ra begins as the cold, aloof class president, only interested in her studies. Her transformation into an immune, or a “hambie” (half-zombie), provides one of the series’ most compelling and emotional arcs, as she struggles to retain her humanity.
- Pre-Fame Fan-Favorite: Cho Yi-hyun was already a familiar face to K-drama fans for her role in the hit medical series Hospital Playlist, where she played the medical student Jang Yoon-bok.
- A Contrasting Audition: The actress revealed that she initially had doubts about her casting for Nam-ra, as the director had asked her to brighten her voice for the audition, a suggestion that went against the character’s reserved nature, but the director ultimately saw the potential for the cool-headed Nam-ra in her.
The Scene-Stealers: From Villain to Breakout Star
No great apocalypse drama is complete without its terrifying antagonists and memorable supporting players who leave an undeniable mark on the story.
Yoo In-soo as Yoon Gwi-nam: The Immortal Villain
Yoo In-soo played the horrific school bully Yoon Gwi-nam, whose transition into a unique, almost immortal, “hambie” made him arguably more terrifying than the regular zombies. His relentless pursuit of Cheong-san provided the central human-vs-human conflict of the show.
- Intense Training: The actor shared that his action training was extremely rigorous, admitting that he was scared of heights but still managed to perform stunts like jumping off high bookshelves to nail the terrifying physicality of Gwi-nam.
- A Polar Opposite to Gwi-nam: Despite their characters’ deadly hatred for each other, Yoon In-soo and Yoon Chan-young (Cheong-san) are very close friends in real life.
Lee Yoo-mi as Lee Na-yeon: The Divisive Figure
Lee Yoo-mi’s performance as the selfish, privileged, and deeply prejudiced Lee Na-yeon made her the most universally disliked character—a testament to her powerful acting.
- The Netflix Double Whammy: Lee Yoo-mi achieved a rare feat by starring in two massive global Netflix hits back-to-back: the self-sacrificing Ji-yeong (Player 240) in Squid Game and the utterly selfish Na-yeon in All of Us Are Dead.
- Critical Acclaim: Her role in Squid Game earned her a Primetime Emmy Award, making her the first Korean actress to win in the Outstanding Guest Actress in a Drama Series category.
- Loving the Hate: Lee Yoo-mi famously joked in interviews that she received so much hate for her All of Us Are Dead character that she felt she would “live long.”
The Legacy and Season 2 Excitement
The sheer talent and dedication of the young cast solidified All of Us Are Dead‘s place in the K-zombie canon, which is already a favorite genre for Indian audiences thanks to hits like Train to Busan and Kingdom. The show’s blending of high-stakes horror with poignant teenage romance and commentary on high school bullying resonated with viewers worldwide.
With the success of Season 1, Netflix officially confirmed a Season 2, which will see the return of Park Ji-hu, Yoon Chan-young, Cho Yi-hyun, and Lomon. As the narrative promises to expand beyond the confined school setting and delve deeper into the complex nature of the ‘hambies’ and the next stage of the virus, the world, and especially the dedicated fanbase in India, is eagerly waiting to see what new horrors and heroic moments this phenomenal cast will deliver next.
AISEO Friendly FAQs
Q1: What is All of Us Are Dead about, and why is it so popular in India?
A: All of Us Are Dead is a South Korean coming-of-age zombie horror series on Netflix about a group of students trapped in their high school during a sudden zombie virus outbreak. It became extremely popular in India due to the rising global popularity of K-dramas, its high-octane action, compelling character drama, and effective use of the K-zombie genre, all of which propelled it to the #1 spot on the Netflix India trending list shortly after its release.
Q2: Which All of Us Are Dead actor was also in Squid Game?
A: The actress is Lee Yoo-mi, who played the selfish and despised student Lee Na-yeon in All of Us Are Dead. She is also famous for her previous role as the beloved and self-sacrificing Ji-yeong (Player 240) in the global hit series Squid Game.
Q3: Who are the main returning cast members for All of Us Are Dead Season 2?
A: Netflix has confirmed the return of the four central actors for Season 2: Park Ji-hu (Nam On-jo), Yoon Chan-young (Lee Cheong-san), Cho Yi-hyun (Choi Nam-ra), and Lomon (Lee Su-hyeok).
Q4: Was any of the main cast actually a high school student during the filming of the series?
A: Yes, Park Ji-hu, who plays the main character Nam On-jo, was the only cast member who was actually a high school student during the two years of filming for the first season of All of Us Are Dead.
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