Twenty

Kim Woo-bin

Chi-ho

Junho

Dong-woo

Kang Ha-neul

Kyung-jae

Jung So-min

So-min

Lee Yu-bi

So-hee

민효린

Jin-joo

Ahn Jae-hong

In-gook

Heo Joon-seok

Bum-soo

전여진

Bum-soo's Wife

Park Myung-shin

Chi-ho's Mother

Oh Hyun-kyung

Dong-woo's Mother

Yoon Ga-hyun

Grilled Clam Restaurant Owner

Kim Eui-sung

Chi-ho's Father

Na İn-woo

Dong-won

Han Jun-woo

Club DJ

Kim Chan-hyung

Head of Loan Shark

백수희

Min-jung

Park Hyuk-kwon

Movie Director

Song Ye-dam

Twin Brother

Song Ye-joon

Twin Brother

Kim Jong-soo

Dong-woo's Uncle

소희정

Kyung-jae's Mother

홍완표

Assistant Director

Yang Hyun-min

So-jung