소년24

Oh Yeon-seo

Self - Host

신혜성

Self - Judge

이민우

Self - Judge

Basick

Self - Judge

하휘동

Self - Judge

Jeon Bong-jin

Self - Judge

Yoo Jae-hwan

Self - Judge

빌 스택스

Self - Judge

Choi Young-joon

Self - Judge

최찬이

Self - Contestant

오진석

Self - Contestant

Tak Jin-kyu

Self - Contestant

Jin Sung-ho

Self - Contestant

Hwang In Ho

Self - Contestant

Yoo Ji Ahn

Self - Contestant

Lee In Pyo

Self - Contestant