Full cast of Into The Ring

Nana

Goo Se-ra

32 episodes

Park Sung-hoon

Seo Gong-myung

32 episodes

Yoo Da-in

Yoon Hee-soo

32 episodes

Han Jun-woo

Kim Min-jae

32 episodes

Oh Dong-min

Go Dong-chan

32 episodes

Bae Hae-seon

Won So-jung

32 episodes

Ahn Nae-sang

Jo Maeng-deok

32 episodes

Shin Do-hyun

Jang Han-bi

32 episodes

Seo Jin-won

Sim Jang-yang

32 episodes

An Kil-kang

Goo Young-tae

32 episodes

Jang Hye-jin

Kim Sam-sook

32 episodes

Han Dong-kyu

Jang Ha-woon

32 episodes

Kim Mi-su

Kwon Woo Young [Se Ra's friend]

32 episodes

Moon Ki-young

[Yang Nae Sung's wife]

1 episode