Jung Doo-hong as Jung Taesoo

Ryoo Seung-wan as Yoo SukHwan

Lee Beom-soo as Jang PilHo

Jeong Seok-yong as Yoo DongHwan

Ahn Kil-kang as Oh WangJae

Kim Seo-hyung as Jang Mi-Ran

Lee Joo-sil as Suk-hwan's Mother

Kim Byeong-ok as Young Mens' Association Leader

Jo Deok-hyeon as President Cho

Kim Ki-cheon as Stabber

Kim Hyo-Seon as Secretary

Seo Ji-oh as Squad Leader Seo

Gu Ja-hoon as Squad Leader Koo

Lim Jun-Il as Squad Leader Im

On Ju-wan as Teenager TaeSoo

Jung Woo as Teenager WangJae

Kim Si-hoo as Teenager SukHwan

Kim Dong-young as Teenager PilHo

Park Young-seo as Teenager DongHwan

Kim Geon-ho as Village Councilor

Kim Yong-sun as Construction Site Woman

Nalie Lee as Miss Bae

Jo Gyu-chul as Pickpocket 1

Kim Tae-young as Pickpocket 2

Yoo Sung-jae as Pickpocket 3

Kim Kkob-bi as School Girl Ragpicker

Kim Su-hyun as Seoul Detective

Kim Jung-sang as Bouncer 1

Shin Hong-chel as Bouncer 2

Park Ji-hwan as Teenage Enemy Boss

Yang Hae-gil as Taxi Driver

Han Jae-duk as Cho's Executive 1

Danny Park as Cho's Executive 2

Choi Tae-young as Cho's Executive 3

Jeong O-pyo as Bar Manager

Yang Gil-yeong as OnSung Detective 1

Lee Hong-pyo as OnSung Detective 2

Yoo Sang-seob as OnSung Detective 3

Kim Min-soo as OnSung Detective 4

Lee Jong-Yeon as OnSung Detective 5

Gwon Seung-gu as OnSung Detective 6

Park Ju-chun as OnSung Detective 7

Jung Chang-hyun as Corridor Guard

Kim Won-jung as Tatami Floor Fighter 1

Seo Seung-eok as Tatami Floor Fighter 2

Kang Young-muk as Tatami Floor Fighter 3

Kwon Gwi-deok as Tatami Floor Fighter 4

Koo Jeong-uk as Tatami Floor Fighter 5

Shin Sung-il as Tatami Floor Fighter 6

Yun Jeong-seok as Tatami Floor Fighter 7

Jang Han-seung as Tatami Floor Fighter 8

Park Hyun-jin as Boxing Gym Teenager

Kim Yang-seong as Teenage with yo-yo

Han Seung-Soo as Teenage Hockey Player

Jeong Yoon-heon as Teenage Baseball Player

Ji Jung-hyeon as Construction Laborer 1

Han Jeong-uk as Construction Laborer 2

Baek Dong-hyeon as Arcade Gangster

Joo Hyung-jin as Blackmailer 1

Kim Jun-hee as Blackmailer 2

Lee Seul-ki as Blackmailer 3

Jung Eun-mi as Bar Lady 1

Jung Hee-jung as Bar Lady 2

Jo Min-jin as Bar Lady 3

Lee Hae-lim as Bar Lady 4

Hwang In-hye as Tatami Floor Serving Girl 1

Kim Na-young as Tatami Floor Serving Girl 2

Kim Mi-ra as Tatami Floor Serving Girl 3

Jang Eun-suk as VIP Room Serving Girl

Oh Joo-hee as VIP Room Serving Girl

Ser Kung-bae as Real Estate Deliveryman

Ahn Jae-mo as Cameo (uncredited)