로봇, 소리

Lee Sung-min

Hae-Gwan

Shim Eun-kyung

Sori (voice)

이하늬

Ji-yeon

Chae Soo-bin

Yoo-joo

Lee Hee-jun

Jin-ho

Kim Won-hae

Goo-cheol

Ryu Jun-yeol

Underground Singer

전국환

President Go

곽시양

Hyeon-soo

전혜진

Hyun-sook

이영진

Yoo Sung-jin

강진아

Jang Geun-yeong