Series Cast 26

1. 

   Lee Seung-gi

   National producer (13 Episodes)

2. 

   Lee Hong-gi

   Vocal trainer (13 Episodes)

3. 

   Soyou

   Vocal trainer (13 Episodes)

4. 

   Kim Eun-young

   Rap trainer (13 Episodes)

5. 

   Bae Yoon-jung

   Dance trainer (13 Episodes)

6. 

   Kwon Eun-bi

   Contestant (13 Episodes)

7. 

   Kang Hye-won

   Contestant (13 Episodes)

8. 

   Sakura Miyawaki

   Contestant (13 Episodes)

9. 

   Choi Ye-na

   Contestant (13 Episodes)

10. 

    Kim Chae-won

    Contestant (13 Episodes)

11. 

    Lee Chae-yeon

    Contestant (13 Episodes)

12. 

    Kim Min-ju

    Contestant (13 Episodes)

13. 

    Hitomi Honda

    Contestant (13 Episodes)

14. 

    Nako Yabuki

    Contestant (13 Episodes)

15. 

    Jo Yu-ri

    Contestant (13 Episodes)

16. 

    An Yu-jin

    Contestant (13 Episodes)

17. 

    Jang Won-young

    Contestant (13 Episodes)

18. 

    Lee Ka-eun

    Contestant (13 Episodes)

19. 

    Jang Gyu-ri

    Contestant (13 Episodes)

20. 

    Wang Yiren

    Contestant (13 Episodes)

21. 

    Kim Si-hyeon

    Contestant (13 Episodes)

22. 

    Kim Da-Yeon

    Contestant (13 Episodes)

23. 

    Kim Do Ah

    Contestant (13 Episodes)

24. 

    Chaejeong

    Contestant (13 Episodes)

25. 

    Huh Yun-jin

    Contestant (13 Episodes)

26. 

    Choi Yeon-soo

    Contestant (13 Episodes)

Series Crew 3