Series Cast 20

1. 

   Jin Geon-woo

   Ho Goo-joon (54 Episodes)

2. 

   Samuel

   Seo Robin (32 Episodes)

3. 

   Ji Min-hyuk

   Seo Jay (32 Episodes)

4. 

   Ahn Seo-hyun

   Ojina (32 Episodes)

5. 

   Kim Ji-young

   Osana (32 Episodes)

6. 

   Park Ji-hu

   Lee Ha-Yan (32 Episodes)

7. 

   Lee Eun-saem

   So-eun (32 Episodes)

8. 

   Choi Ki-seob

   [Teacher] (32 Episodes)

9. 

   Kim Ye-eun

   Maeng Sa Rang (32 Episodes)

10. 

    Kim Hyang-gi

    Ho Goo-hee (22 Episodes)

11. 

    Lomon

    Ji-hoon (22 Episodes)

12. 

    Kim Hwan-hee

    Jung Duk-hee (22 Episodes)

13. 

    Cha Eun-woo

    Cha Eun Woo (22 Episodes)

14. 

    Park Min-hyuk

    Himself (22 Episodes)

15. 

    Park Jin-woo

    Himself (22 Episodes)

16. 

    Moon Bin

    Himself (22 Episodes)

17. 

    Kim Myung-jun

    Himself (22 Episodes)

18. 

    Yoon San-ha

    Himself (22 Episodes)

19. 

    Lee Jung-jun

    — (22 Episodes)

20. 

    Carson Allen

    Eun Woo's fan (1 Episode)

Series Crew 3