Reparto (por orden de créditos)
Tiffany Young
Self - Mentor
Sun Mi Lee
Ye-Seo Kang
Self - Contestant
Kim Bo-ra
Self
Su-yeon Kim
Kep1er
Themselves
Nien Tzu Hsu
Da-Yeon Kim
Shim Seung Eun
Do-ah Kim
Jeong Ji-yoon
Jing Zhang
Heo Ji-Won
Yunji Lee
Shana
Chae-Hyun Kim
Kotone Kamimoto
Kishida Ririka
Hana Hayase
Zhou Xinyu
Yurina Kawaguchi
Sakurai Miu
Ziyin Xu
Bahiyyih Huening
Yeo Jin-gu
Fu Yaning
Yujin
Kim Bora
Choi Yeyoung