لي سونغ مين

Hae-Gwan

심은경

Sori (voice)

이하늬

Ji-yeon

채수빈

Yoo-joo

Lee Hee-jun

Jin-ho

김원해

Goo-cheol

류준열

Underground Singer

전국환

President Go

곽시양

Hyeon-soo

전혜진

Hyun-sook