The Ultimate Guide To The KPop Demon Hunters Cast: Who Voices Rumi, Gwi-Ma, And The HUNTR/X Trio?
Step into the exhilarating, neon-drenched world of *KPop Demon Hunters*, the surprise animated musical sensation from Netflix and Sony Pictures Animation. Released on June 20, 2025, this film immediately captivated global audiences by blending the high-energy glamour of K-Pop stardom with the thrilling action of a supernatural battle against an ancient evil. The story follows the fierce K-Pop girl group HUNTR/X—Rumi, Mira, and Zoey—who are not just chart-topping idols but also secret demon hunters protecting humanity.
As of late December 2025, the film continues to generate buzz, especially with the announcement of a sing-along version returning to theaters for a special Halloween engagement on October 31, 2025. The film's success is largely attributed to its stellar, diverse cast of voice actors and singers, including major names from K-dramas, Hollywood, and the music industry. Here is the definitive, up-to-date breakdown of every major character and the talented individuals who brought them to life.
The HUNTR/X Trio: K-Pop Idols by Day, Demon Hunters by Night
The core of the film is the three-member K-Pop girl group, HUNTR/X (often stylized as Huntrix). Each member has a distinct personality, a unique fighting style, and a dual-voice performance—one actor for the speaking role and a separate professional artist for the singing voice—a creative choice that adds incredible depth to the musical numbers.
Rumi: The Leader and Lead Vocalist
- Character Role: Rumi is the charismatic leader and main vocalist of HUNTR/X. She is driven by a personal connection to the demon world and is the most committed to completing the ancient ritual known as the Honmoon to seal away the demons.
- Speaking Voice: Arden Cho
- Biography Profile: Arden Cho is an American actress, singer, and model of Korean descent. She is widely recognized for her breakout role as Kira Yukimura in the MTV series *Teen Wolf*. Her casting as Rumi marked a major career highlight, with Cho noting that the character's journey mirrored her own struggles in the entertainment industry.
- Unique Detail: Cho revealed she did not even audition for the role, being offered the part after a long period of seeking meaningful roles, calling it a "golden moment."
- Singing Voice: EJAE
- Role Detail: EJAE is a talented singer-songwriter who provides Rumi’s powerful singing vocals, complementing Cho’s speaking performance.
Mira: The Dancer and Gok-Do Specialist
- Character Role: Mira is the group's main dancer and a formidable demon hunter. She wields a traditional Korean sword called a Gok-Do in battle, showcasing a blend of traditional martial arts and modern K-Pop choreography.
- Speaking Voice: May Hong
- Biography Profile: May Hong is an American actress, artist, and model of Korean heritage. Prior to *KPop Demon Hunters*, she was known for her roles in TV series like *Tales of the City*, *Hacks*, and *Full Circle*. She has also walked runways for major fashion houses like Marc Jacobs and Gucci.
- Unique Detail: Hong has been a prominent figure in the film's promotion, appearing at major fan conventions like Youmacon to discuss her breakout role as Mira.
- Singing Voice: Audrey Nuna
- Role Detail: Audrey Nuna, a Korean-American R&B and hip-hop artist, provides the vibrant singing voice for Mira, contributing to the group's dynamic musical sound.
Zoey: The Rapper and Shin-Kal Knife Expert
- Character Role: Zoey serves as the lead rapper of HUNTR/X and is the group's expert with the Shin-Kal knife, a specialized demon-hunting weapon. She is one of the two main deuteragonists alongside Mira.
- Speaking Voice: Ji-young Yoo
- Biography Profile: Ji-young Yoo is an American actress who has steadily built her career with roles in both film and television. Her voice work as Zoey in the animated Netflix film has brought her significant new recognition.
- Unique Detail: Yoo has spoken about the inspiring nature of Zoey's character, particularly her strength and resilience as a young woman in a demanding industry.
- Singing Voice: Rei Ami
- Role Detail: Rei Ami, a genre-bending musical artist, provides the rap and singing vocals for Zoey, solidifying her role as the group's powerful, sharp-witted rapper.
The Antagonists: Demon King Gwi-Ma and The Saja Boys
No demon-hunting story is complete without formidable villains, and *KPop Demon Hunters* delivers with a powerful, multi-generational Korean Demon King and a rival K-Pop group who serve as his minions. These characters provide the central conflict for the HUNTR/X trio.
Demon King Gwi-Ma: The Manipulative Villain
- Character Role: Gwi-Ma is the ruthless, manipulative Korean Demon King and the primary antagonist. He relentlessly tries to break into the human world to unleash chaos, often using emotional torture against his own minions.
- Voice Actor: Lee Byung-hun
- Biography Profile: Lee Byung-hun is one of South Korea's most internationally recognized actors, famous for his roles in blockbusters like *Squid Game*, *G.I. Joe: The Rise of Cobra*, and *Terminator Genisys*. His casting added significant star power to the animated film.
- Unique Detail: Despite his global fame, Lee Byung-hun admitted to facing obstacles while dubbing his English lines, taking three full recording sessions to complete his voice work for Gwi-Ma. He also initially expressed surprise at the "rough" animation style, but ultimately joined because of the heartwarming message of the film.
The Saja Boys: The Demon Idol Group
The Saja Boys (사자 보이즈) are a rival male K-Pop idol group who are secretly demons working under Gwi-Ma. Their immense popularity is a cover for their demonic activities, making them a direct threat to HUNTR/X both on the stage and in battle.
- Jinu: One of the main members of the Saja Boys. His speaking voice is provided by South Korean actor Ahn Hyo-seop.
- Abby Saja: A prominent member of the Saja Boys, whose speaking voice is provided by voice actor and internet personality SungWon Cho (also known as ProZD).
- Romance Saja: Another Saja Boys member who serves as a minor antagonist. His singing voice is provided by samUIL Lee.
Key Supporting Characters and Voice Talent
The ensemble cast of *KPop Demon Hunters* is rounded out by a number of legendary and beloved actors, further cementing the film's status as a major animated event. Their roles provide crucial comic relief, mentorship, and familial support to the main trio.
- Bobby (Tour Manager): The lovable, chubby, and often comic-relief tour manager of HUNTR/X. He is voiced by actor and comedian Ken Jeong, known for his roles in *The Hangover* and *Community*.
- Yunjin Kim: The South Korean-American actress, famous for her roles on *Lost* and *Mistresses*, provides a voice role, though specific character details are often kept under wraps to prevent spoilers.
- Lea Salonga: The Tony Award-winning Filipina singer and actress, globally celebrated as the singing voice of Disney Princesses Jasmine and Mulan, also lends her voice to the film in a supporting capacity, adding another layer of musical gravitas to the production.
The combination of a powerful narrative, incredible K-Pop inspired music, and this exceptional, diverse cast of voice actors and singers—including Arden Cho, May Hong, Ji-young Yoo, and the legendary Lee Byung-hun—is why *KPop Demon Hunters* became a viral phenomenon. The film successfully bridges the gap between Korean entertainment, animated action, and Western voice acting talent, proving that the blend of K-Culture and global storytelling is a winning formula for Netflix.
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