Twenty

Kim Woo-bin

as

Chi-ho

Lee Jun-ho

as

Dong-woo

Kang Ha-neul

as

Kyung-jae

Jung So-min

as

So-min

Lee Yu-bi

as

So-hee

Min Hyo-rin

as

Jin-joo

Ahn Jae-hong

as

In-gook

Heo Joon-seok

as

Bum-soo

Jeon Yeo-jin

as

Bum-soo's Wife

Park Myung-shin

as

Chi-ho's Mother

Oh Hyun-kyung

as

Dong-woo's Mot...

Yoon Ga-hyun

as

Grilled Clam R...

Kim Eui-sung

as

Chi-ho's Father

Na In-woo

as

Dong-won

Han Jun-woo

as

Club DJ

Kim Chan-hyung

as

Head of Loan S...

Baek Soo-hee

as

Min-jung

Park Hyeok-kwon

as

Movie Director

Song Ye-dam

as

Twin Brother

Song Ye-joon

as

Twin Brother

Kim Jong-soo

as

Dong-woo's Unc...

So Hee-jung

as

Kyung-jae's Mo...

Hong Wan-pyo

as

Assistant Dire...

Yang Hyun-min

as

So-jung

Kim Jae-man

as

Chicken Restau...

Hwang Mi-young

as

Woman bumps in...

Oh Ha-nee

as

Makeup Team

Kang Chung-hun

as

Dong-woo's Col...

Jung Seo-in

as

Hair Salon Sta...