Lee Byung-hun as Sun-woo

Kim Yeong-cheol as Mr. Kang

Shin Min-a as Hee-soo

Kim Roi-ha as Moon-seok

Lee Ki-young as Oh Moo-seong

Hwang Jung-min as Mr. Baek

Eric Mun as Tae-goo

Oh Dal-su as Myeong-goo

Kim Hae-gon as Tae-woong

Kim Han as Se-yoon

Jin Goo as Min-gi

Lee Hang-soo as Chairman Won

Oh Kwang-rok as Gangster

Jeon Kuk-hwan as Chairman Baek

Lee Seung-ho as Mr. Park

Kim Seung-o as Moo-seong's Subordinate

Lee Han-sol as Moo-seong's Subordinate

Vadym Domashchenko as Mikhail

Sonny as Filipino Gang

Nico as Filipino Gang

Kim Soo-nam as Shoulder Bag

Kang Young-gu as Shoulder Bag

Heo Myeong-haeng as Shoulder Bag

Jeong Goo-jin as Shoulder Bag

Wang Deok-sang as Shoulder Bag

Jang Jae-yong as Recording Studio Engineer

Lee Ahn-gyoo as Recording Studio Senior

Jeon Na-hyeon as So-yeong

Park Jin-woo as Cheol-moon

Woo Sang-jeon as Mr. Seong

Jeong Gye-soon as Grandmother

Jung Yu-mi as Mi-ae

Choi Si-yeong as Mr. Kang's Wife

Lee Jae-ook as Taxi Driver

Ahn Jang-hyeok as Passage Subordinate

Hwang Dong-seok as Passage Subordinate

Kim Pan-seon as Meeting Room Subordinate

Jeong Won-kyeong as Pit Shoulder

Jo Seon-haeng as Mr. Kang's Driver

Kim In-oh as Night Club Employee

Seo Jeong-hee as Lounge Manager

Kim Hyo-hyeon as Bartender

Choi Hyo-hyeon as Bartender

Song Sang-ook as Lounge Male Employee

Kwak Min-ho as Lounge Male Employee

Kim Hee-jin as Lounge Female Employee

Kim Byeong-gook as Lounge New Manager

Hong Eun-mi as Lounge Guest

Kim Jae-ok as Lounge Guest

Ryoo Chang-hoon as Recording Studio Engineer Assistant

Park Jong-min as Recording Studio Male Employee

Lee Kyeong-won as Recording Studio Female Employee

Kim Ji-hoon as Pianist

Yoo Joo-hyeon as Violinist

Lee Ji-hee as Violinist

Song Jae-ha as Viola

Kang Min-hee as Double Bassist

Kwon Ye-ji as Hongdae Club Guest

Park So-jeong as Hongdae Club Guest

Jo Jung-hee as Night Club DJ

Kwon Chae-yeong as Room Lady

Jeon Hye-min as Room Lady

Kim Eun-ji as Room Lady

Jo Seung-ryong as Waiting Room Player

Kim Tae-hee as Waiting Room Player

Yoo Sang-seob as Moon-seok's Subordinate

Kim Dae-yong as Moon-seok's Subordinate

Jeong Yun-Heon as Moon-seok's Subordinate

Baek Dong-hyun as Moon-seok's Subordinate

Yoon Jin-yool as Leg Car

Jang Han-seung as Leg Car

Seo Joon-ha as Leg Car

Jeong Mi-hye as Middle-Aged Woman

Choi Chang-kyun as Mr. Kang's Assistant

Park Seon-woong as Gyeong-pyo

Oh Yoo-jin as Korean Restaurant Employee

Park Seong-gyoon as Shoulder Bag

Kim Jee-woon as Lee Byung-hun's Hand Stand-In (uncredited)