Into the Ring

Nana

Goo Se-ra

Park Sung-hoon

Seo Gong-myung

유다인

Yoon Hee-soo

Han Jun-woo

Kim Min-jae

오동민

Go Dong-chan

Bae Hae-sun

Won So-jung

안내상

Jo Maeng-deok

신도현

Jang Han-bi

Seo Jin-won

Sim Jang-yang

Ahn Kil-kang

Goo Young-tae

Jang Hye-jin

Kim Sam-sook

한동규

Jang Ha-woon

김미수

Kwon Woo Young [Se Ra's friend]