Main Characters Cha Yun Jin 3 main appearances Yoo Sung Ho 3 main appearances Min Ji Young 3 main appearances
Recurring Guest Characters Choi Tae Young 3 guest appearances Kwon Do Hwan 3 guest appearances Cha In Sook 2 guest appearances Bong Gu 2 guest appearances Jang Se Wook 2 guest appearances Go Young Min 2 guest appearances Sung Saeng Nim 2 guest appearances Choi Gyung Man 2 guest appearances Nal Na Ri 2 guest appearances Han Yu Mi 2 guest appearances Lee Young Ran 2 guest appearances Taekwondo Team Leader 1 guest appearances Taekwondo Club Member 1 guest appearances Thai Gang Leader 1 guest appearances Pimp 1 guest appearances Yun Jin's Opponent 1 guest appearances