KPop Demon Hunters Singing Voices Revealed In the Netflix animated hit KPop Demon Hunters , a thrilling blend of K-pop energy and demon-slaying action, the characters' speaking roles are brought to life by talented actors, but their powerhouse singing voices come from a roster of real K-pop and music stars—creating those chart-topping tracks like "Golden" that have fans buzzing worldwide.

Huntrix (HUNTR/X) Idol Singers

The girl group protagonists—Rumi, Mira, and Zoey—shine in battles against demon boy bands, with vocals that propelled the soundtrack to global Top 10s in 2025.

  • Rumi : Speaking voice by Arden Cho; singing voice by EJAE (Kim Eun-jae), a former K-pop trainee turned songwriter who demoed the film's songs and nailed the lead vocals, as shared in her CBC interview.
  • Mira : Speaking voice by May Hong; singing voice by Audrey Nuna , the genre-blending artist behind albums like a liquid breakfast , adding edgy flair to the group's harmonies.
  • Zoey : Speaking voice by Ji-young Yoo; singing voice by Rei Ami , a Seoul-born rapper whose mixtape FOIL vibe perfectly fits the maknae's lyrics and flows.

Saja Boys Demon Performers

Rival demons led by Jinu lure fans underworld-ward with seductive tracks—their vocals mostly separate from speaking roles for that authentic idol polish.

  • Jinu : Speaking voice by Ahn Hyo-seop (sings only his intro to Gwi-Ma); singing voice by Andrew Choi , K-pop Star alum who composed for NCT 127 and Monsta X.
  • Romance Saja : Speaking by Joel Kim Booster; singing by Samuil Lee.
  • Mystery Saja : Speaking by Alan Lee; singing by Kevin Woo , ex-U-KISS member with Broadway creds in KPOP.
  • Abby Saja : Speaking by SungWon Cho; singing by Neckwav.
  • Baby Saja : Speaking by Danny Chung.

Other Key Voices

  • Celine (Rumi's mentor, ex-hunter/idol): Speaking by Yunjin Kim; singing by Lea Salonga , Broadway legend.

Character Group| Speaking Actor| Singing Voice| Notable Hits/Background 123
---|---|---|---
Huntrix (Rumi)| Arden Cho| EJAE| Demos for boy band tracks; ex-trainee
Huntrix (Mira)| May Hong| Audrey Nuna| TRENCH album; Top 10 "Golden"
Huntrix (Zoey)| Ji-young Yoo| Rei Ami| FOIL mixtape; rap/lyrics
Saja Boys (Jinu)| Ahn Hyo-seop| Andrew Choi| Composed for Day6, Taemin
Saja Boys (Mystery)| Alan Lee| Kevin Woo| U-KISS, Broadway KPOP

Fans on Reddit rave about the seamless blend, with EJAE, Audrey Nuna, and Rei Ami (as HUNTR/X) even performing live on The Tonight Show in 2025—proving the vocals stole the show. This setup mirrors real K-pop production, fueling forum debates on why Ahn Hyo-seop didn't sing more. As of early 2026, the soundtrack still trends, with no major cast disputes reported.

TL;DR : EJAE (Rumi), Audrey Nuna (Mira), Rei Ami (Zoey) power Huntrix; Andrew Choi leads Saja Boys—real singers elevating the animation's K-pop demon saga.

Information gathered from public forums or data available on the internet and portrayed here.