Jung Hae-in

Jang Tae-ha

정해인

Ahn Ha-young

Go Eun-sae

하영

Heo Sung-tae

Baek Sang-gil

허성태

Kim Young-ok

Go Yeon-hong

김영옥

Jeon Bae-soo

Hong Do-yeop

전배수

Seo Jeong-yeon

Do Jeong-hwa

서정연

Jang Hye-jin

Paeng Hee-ja

장혜진

Cha Chung-hwa

Cho Maeng-suk

차청화

Kim Mi-hwa

Na Geum-hyang

김미화

최유주

Min Su-ji

은종건

Gyeong-pyo

Oh Kyung-hwa

Park Hyo-jin

오경화

Moon Seong-hyun

Kim Pil-seung

문성현

양조아

Kim Song-wol

김서하

Kwak Chi-hyeon

Kim Jong-tae

Ju Min-jong

김종태

Lee Jae-won

Ahn Gi-jun

이재원

Jung Soon-won

Jung Sun-won

정순원

Jeong Ye-nok

Hyang-seon

서병철

Security guard

Choi Dae-hoon

Boo Oh-seong

최대훈

Cha Mi-kyung

Hospital grandma

차미경

Shim So-young

Hospital grandma

심소영

오민정

Nurse

배호근

Prosecutor

Jung Hee-tae

Deputy chief prosecutor

정희태

하민혁

Jang Tae-ha (Teen)

Choi Myeong-bin

Go Eun-sae (Teen)

최명빈

Lee Jun-young

Kaito

이준영

송건희

Young Baek Sang-gil

Kim Nam-hee

Young Hong Do-yeop

김남희

최교식

Private detective

박주아

Mental health patient

Bang Byeong-hyeon

Police station man

김남진

Orphanage director

한상봉

Kim Chang-gon

Im Joon-hyung

Orphanage gangster

박강토

Boxing staff

Kang Hak-soo

Gujin civil servant

강학수

Jung Yeon

Boxing referee

이승필

Taxi driver

유인선

Building security

이원희

Old restaurant owner

신철진

Old restaurant owner

Park Geon-lak

Doctor

이강욱

Gujin High alumni

손승택

Boxing official

우강민

Geukrakpa boss