演职人员
Self - Vocal Trainer
바다
Self - Music Producer
Stephanie Kim
Self - Principal
李顺载
Self - Homeroom Teacher
金希澈
Self - Contestant
Lee Hae-in
Self - Contestant
NATTY
Self - Contestant
曺柔理
Self - Contestant
张圭悧
Self - Contestant
이나경
Self - Contestant
李赛纶
Self - Contestant
송하영
Self - Contestant
박지원
Self - Contestant
노지선
Self - Contestant
이채영
Self - Contestant
백지헌
Self - Contestant
이서연
Self - Contestant
李英幼
Self - Contestant
朱世彬
Self - Contestant
이시안
Self - Contestant
Herin Seo
Self - Contestant
刘怡伶
