Ryu Seung-ryong as Lee Yong-gu

Park Shin-hye as Ye-seung

Kal So-won as Young Ye-seung

Jung Jin-young as Jang Min-hwan

Oh Dal-su as So Yang-ho

Park Won-sang as Choi Chun-ho

Kim Jung-tae as Kang Man-beom

Jeong Man-sik as Shin Bong-shik

Kim Ki-cheon as Old Man Seo

Park Gil-su as Prison Guard Jeong

Jo Jae-yun as Prison Guard Kim

Jo Deok-hyeon as Police Commissioner Ji Young-bu

Yeseo as Ji-young

Park Sang-myeon as Gang Leader Ppabaki

Jung Jae-min as Young-hoon

Choi Ro-woon as Jin-wook

Jung Han-bi as Ye-seung's Teacher

No Kang-min as Ye-seung's Classmate

Lee Yun-hee as Nursery School Teacher

Kang Seung-wan as One-Eyed Person

Lee Seung-yeon as Jang Min-hwan's Wife

Yeo Moo-yeong as Mock Court Judge

Yoon Sun-woo as Mock Court Prosecutor

Kim Se-dong as Public Defender

Lee Yoon-hee as Prosecutor

Han Seong-yong as Marlboro Inmate

Jeong Moon-yeop as Stocking Inmate

Jung Hee-tae as Manager Park

Jeon Hun-tae as Detective Squad Chief

Kim Bae-gun as Detective 1

Oh Chang-kyung as Detective 2

Lim Jae-min as Detective 3

Min Jung-ki as Detective 4

Song Lee-woo as Anchor (uncredited)

Kyul Hwi as Prisoner (uncredited)

Cho Joo-kyoung as Ji-young's Mother