Top Billed Cast

1. 

   Don Lee

   Mark

2. 

   Kwon Yul

   Jin-ki

3. 

   Han Ye-ri

   Soo-jin

4. 

   Choi Seung-hoon

   Joon-hyung

5. 

   Ok Ye-rin

   Joon-hee

6. 

   Son Sook

   Mark's Mother

7. 

   John D. Michaels

   Fight Announcer

8. 

   Carson Allen

   Announcer

9. 

   Lee Kyu-ho

   Punch

10. 

    Derek Chouinard

    Club Goer

11. 

    No Ji-yoo

    Exhibition Hall Reporter

12. 

    Jeon Gwon-ha

    Prison Punch Opponent

13. 

    Yang Hyun-min

    Yoo Chang-soo

14. 

    Nam Yeon-woo

    Team Leader Kim

15. 

    Kang Shin-hyo

    Combo

16. 

    Kang Seung-hyun

    Joo-yun

17. 

    Park Sun-ho

    Jason Kim

18. 

    Oh Chang-kyung

    Event Announcer

19. 

    Yoo Soon-woong

    Doctor Han

20. 

    Park Hyung-Soon

    Chang-soo's Employee

21. 

    Park Won Bin

    Busan MC

22. 

    Park Seong-il

    PD Park

23. 

    Kim Jong-goo

    Jin-gi's Father

24. 

    Yu Seung-ok

    Celebrity

25. 

    Park Se-jun

    Chang-soo's Employee

26. 

    Choi Hye-jin

    Jason Kim's Gang

27. 

    Park Tae-yun

    Soccer Boy

28. 

    Ahn Sung-min

    Foreign Car Driver

29. 

    Yang Jo-a

    English Elementary Student's Mother

30. 

    Park Chan-woo

    Cigarette Student

31. 

    Park Ji-yeon

    Busan Couple

32. 

    Hwang Sang-kyung

    Busan Couple

33. 

    Kwak Ja-hyung

    Macho Driver

34. 

    Yoon Eun-ji

    Gambling Joint Cashier

35. 

    Jeon Hye-won

    High School Student

36. 

    Baek Sang-hee

    Airport Greeting Woman

37. 

    Kim Dong-hyun

    Celebrity

38. 

    Yoo Ji-yeon

    Sun-kyeong's Sister

39. 

    Park Kwang-jae

    2 Meter Giant

40. 

    Kim Ji-hwan

    Child on Bus

41. 

    Kim Geon

    Busan Arm Wrestling Elementary School Student

42. 

    Jin Mo

    Combo Team Member 1

43. 

    Geum Gwang-san

    Combo Team Member 2

44. 

    Lee Su-jeong

    Cashier