Series Cast 21

1. 

   Shin Ha-kyun

   Joo Sung-Chan (16 Episodes)

2. 

   Jo Yoon-hee

   Yeo Myung-Ha (16 Episodes)

3. 

   Yu Jun-sang

   Son Hee-Sung (16 Episodes)

4. 

   Sung Dong-il

   Oh Jung-Hak (16 Episodes)

5. 

   Kim Hong-pa

   Jung Tae-Soo (16 Episodes)

6. 

   Choi Won-hong

   Seo Joon (16 Episodes)

7. 

   Jeon Kuk-hwan

   Seo Gun-Il (16 Episodes)

8. 

   Jo Jae-yun

   Han Ji-Hoon (16 Episodes)

9. 

   Jang Seong-beom

   Jo Jae-Hee (16 Episodes)

10. 

    Jung Hae-na

    Yoon Bo Ram (16 Episodes)

11. Cha Soon-hyung

    [Cheng Zhi's coworker] (16 Episodes)

12. 

    Oh Eui-sik

    Choi Sung-Bum (16 Episodes)

13. 

    Kim Jong-soo

    Yang Chung Jang (16 Episodes)

14. 

    Yoo Seung-mok

    Kong Ji Man (16 Episodes)

15. 

    Kwak Dong-yeon

    Gong Jung In (16 Episodes)

16. 

    Lee Shin-seong

    Jung Soo Kyung (16 Episodes)

17. 

    Go Yoon

    Jung Hyun Ho (16 Episodes)

18. 

    Lee Hae-yeong

    Chief Go (16 Episodes)

19. 

    Park Choong-seon

    No Kyung Seok (16 Episodes)

20. 

    Lee Jung-eun

    Oh Ha Na (16 Episodes)

21. 

    Cha Soon-hyeong

    Change's Colleague (16 Episodes)

Series Crew 2