Cast 27
Lee Seung-gi
National producer (12 episodes)
Lee Hong-gi
Vocal trainer (12 episodes)
Soyou
Vocal trainer (12 episodes)
Kim Eun-young
Rap trainer (12 episodes)
Bae Yoon-jung
Dance trainer (12 episodes)
Kwon Eun-bi
Contestant (12 episodes)
Kang Hye-won
Contestant (12 episodes)
Sakura
Contestant (12 episodes)
Choi Ye-na
Contestant (12 episodes)
Kim Chaewon
Contestant (12 episodes)
Lee Chae-yeon
Contestant (12 episodes)
Kim Min-ju
Contestant (12 episodes)
Hitomi Honda
Contestant (12 episodes)
Nako Yabuki
Contestant (12 episodes)
Jo Yu-ri
Contestant (12 episodes)
ANYUJIN
Contestant (12 episodes)
JANGWONYOUNG
Contestant (12 episodes)
Lee Ka-eun
Contestant (12 episodes)
Jang Gyu-ri
Contestant (12 episodes)
Wang Yiren
Contestant (12 episodes)
Kim Si-hyeon
Contestant (12 episodes)
Kim Dayeon
Contestant (12 episodes)
Kim Do Ah
Contestant (12 episodes)
Chaejeong
Contestant (12 episodes)
Huh Yunjin
Contestant (12 episodes)
Choi Yeon-soo
Contestant (12 episodes)
이시안
Contestant (12 episodes)
Directing 1
Ahn Joon-young
Director (12 episodes)
Production 2
Kim Young-bum
Executive Producer (12 episodes)
Kim Han Soo
Executive Producer (12 episodes)