Cho Seung-woo as Go-ni

Kim Hye-soo as Madam Jeong

Baek Yoon-sik as Mr. Pyeong

Yoo Hai-jin as Ko Gwang-ryeol

Kim Eung-soo as Kwak Cheol-yong

Kim Sang-ho as Park Moo-seok

Kim Yun-seok as Ah-gwi

Ju Jin-mo as Jjak-gwi

Kim Kyung-ik as Red Acid

Lee Soo-kyung as Hwa-ran

Kim Jung-nan as Se-ran

Kwon Tae-won as Ho-gu

Jo Sang-geon as Racoon

Baek Do-bin as Yong-hae

Seo Dong-soo as Yong-pal

Park Myung-shin as Middle-aged Woman 1

Kim Mi-ra as Middle-aged Woman 2

Choi Jong-ryul as Professor of Korean Studies

Choi Hyo-sang as Busan Hoodwinker 1

Jang Jun-nyeong as Busan Hoodwinker 2

김강우 as Boss Nam

Lee Jae-gu as Choon-jae

Choi Jae-sup as Jin-seop

Do Yoon-joo as Con Husband

Shin Young-jin as Con Wife

Do Yong-gu as Fatty

Kim Kwang-kyu as Lanky

Oh Ho-jin as Moo-seok's Follower

Kim Min-gyu as Skateboard Boy

Im Jung-eun as Go-ni's Older Sister

Kim Min-kyung as Go-ni's Mother

Park Soo-young as Go-ni's Uncle

Hong Kyeong-yeon as Gangnam Middle-aged Woman 1

No Hyeon-jeong as Gangnam Middle-aged Woman 2

Jeong In-gi as Warehouse Chief

Byun Seung-hyun as Suit Guy

Choi Yong-joon as Rewarder

Jo Hyun-wu as Neighborhood Thug

Kim Ja-young as Fruit Shop Middle-aged Woman

Baek Jin-cheol as Pohang Captain

Kim Jeong-hyeon as Pohang Follower

Shim Woo-chang as General Oh

Kim Seong-il as Ah-gwi's Thug

Go Hyo-jin as Store Female Employee

Francis as Black Player

Yoon Sul-hee as Coffee Shop Girl 1

Cha Ji-eun as Coffee Shop Girl 2

Kim Seo-hyeon as Gambling Man 1

Shin An-jin as Gambling Man 2

Jeon Hun-tae as Plainclothes Police

Choi Min-ho as Se-ra's Son

Jang Nam-yeol as Taxi Driver 1

Kim Cheong-ok as Taxi Driver 2

Lee Seok-won as Morgue Detective

Jang Byeong-yoon as Ship Technician

Nam Hyun-joo as Jjak-qwi's Wife

Jo Sang-won as 2nd Floor Study

Kim Myeong-hwan as Washroom Young Man

Ham Geon-su as Boat Captain

Yeom Sang-tae as Detective 1

Yoon Joon-ho as Detective 2

Kim Eui-sung as Ah-gwi's Subordinate

Kim Jin-mook as Secret Room Shoulder

Huh Young-man as Gambler

Park Yeong-seok as Gambler

Choi Dong-hoon as Police Officer