Arden Cho

Rumi (voice)

May Hong

Mira (voice)

Ji-young Yoo

Zoey (voice)

Ahn Hyo-seop

Jinu (voice)

Yunjin Kim

Celine (voice)

Ken Jeong

Bobby (voice)

Lee Byung-hun

Gwi-Ma (voice)

Daniel Dae Kim

Healer Han / Additional Voices (voice)

Joel Kim Booster

Variety Show Host 1 / Idol Host / Romance Saja (voice)

Liza Koshy

Host (voice)

Alan Lee

Pilot Demon / Variety Show Host 2 / Mystery Saja (voice)

Rumi Oak

Young Rumi / Young Fan (voice)

SungWon Cho

Abs Saja / Bathhouse Patron / Social Media Fan (voice)

Maggie Kang

Flight Attendant Demon / Crying Demon / Newscaster (voice)

Nathan Schauf

Tattoo Fan / Security Guard(voice)

Charlene Ramos

Fan Girl (voice)

Kira Tamagawa

Fan Girl (voice)

EJAE

Rumi (Original Songs Performance) (voice)

Audrey Nuna

Mira (Original Songs Performance) (voice)

REI AMI

Zoey (Original Songs Performance) (voice)

Andrew Choi

Jinu (Original Songs Performance) (voice)

Danny Chung

Baby Saja (Original Songs Performance) (voice)

Kevin Woo

Mystery Saja (Original Songs Performance) (voice)

samUIL Lee

Romance Saja (Original Songs Performance) (voice)

Neckwav

Abs Saja (Original Songs Performance) (voice)

Lea Salonga

Celine (Original Songs Performance) (voice)

Cori Baik

Additional Voices (voice)

Jennifer Sun Bell

Additional Voices (voice)

John Eric Bentley

Additional Voices (voice)

Ranjani Brow

Additional Voices (voice)

Esther K. Chae

Additional Voices (voice)

Claudia Choi

Additional Voices (voice)

Alexandra Bokyun Chun

Additional Voices (voice)

Eddie Frierson

Additional Voices (voice)

Jonathon Ha

Additional Voices (voice)

Josh Han

Additional Voices (voice)

Jason Her

Additional Voices (voice)

Chase Kim

Additional Voices (voice)

Monique Kim

Additional Voices (voice)

Yong Kim

Additional Voices (voice)

James Kyson

Additional Voices (voice)

Ashley Lambert

Additional Voices (voice)

Judy Alice Lee

Additional Voices (voice)

Josiah D. Lee

Additional Voices (voice)

Megan Lee

Additional Voices (voice)

Piotr Michael

Additional Voices (voice)

Andrew Morgado

Additional Voices (voice)

Clarissa Park

Additional Voices (voice)

Cathy Shim

Additional Voices (voice)

Yong Yea

Additional Voices (voice)

Eugene Young

Additional Voices (voice)

Johnny Young

Additional Voices (voice)

CHAEYOUNG

Self (uncredited)

JEONGYEON

Self (uncredited)

JIHYO

Self (uncredited)

Sean Tadlock

Shirt Switching Fan (voice) (uncredited)