Series Cast 27

1. 

   Lee Seung-gi

   National producer (12 Episodes)

2. 

   Lee Hong-gi

   Vocal trainer (12 Episodes)

3. 

   Soyou

   Vocal trainer (12 Episodes)

4. 

   Kim Eun-young

   Rap trainer (12 Episodes)

5. 

   Bae Yoon-jung

   Dance trainer (12 Episodes)

6. 

   Kwon Eun-bi

   Contestant (12 Episodes)

7. 

   Kang Hye-won

   Contestant (12 Episodes)

8. 

   Sakura

   Contestant (12 Episodes)

9. 

   Choi Ye-na

   Contestant (12 Episodes)

10. 

    Kim Chaewon

    Contestant (12 Episodes)

11. 

    Lee Chae-yeon

    Contestant (12 Episodes)

12. 

    Kim Min-ju

    Contestant (12 Episodes)

13. 

    Hitomi Honda

    Contestant (12 Episodes)

14. 

    Nako Yabuki

    Contestant (12 Episodes)

15. 

    Jo Yu-ri

    Contestant (12 Episodes)

16. 

    ANYUJIN

    Contestant (12 Episodes)

17. 

    JANGWONYOUNG

    Contestant (12 Episodes)

18. 

    Lee Ka-eun

    Contestant (12 Episodes)

19. 

    Jang Gyu-ri

    Contestant (12 Episodes)

20. 

    Wang Yiren

    Contestant (12 Episodes)

21. 

    Kim Si-hyeon

    Contestant (12 Episodes)

22. 

    Kim Dayeon

    Contestant (12 Episodes)

23. 

    Kim Do Ah

    Contestant (12 Episodes)

24. 

    Chaejeong

    Contestant (12 Episodes)

25. 

    Huh Yunjin

    Contestant (12 Episodes)

26. 

    Choi Yeon-soo

    Contestant (12 Episodes)

27. 

    이시안

    Contestant (12 Episodes)

Series Crew 3