character - Han Ji-su

character - Lim Ga-deun

character - Joo Shi Young

character - Taekwondo Teacher Choi Yoo-jin

character - Yang Ji Soo

character - Mi-young

character - Yeon Jung-jeon

character - Gong Yeon-jae

character - Lee Eon Ju

character - Soo-jin

character - Bae Min Ah

character - Joo Si-young