Twenty

Kim Woo-bin

Chi-ho

Lee Jun-ho

Dong-woo

Kang Ha-neul

Kyung-jae

Jung So-min

So-min

Lee Yu-bi

So-hee

Min Hyo-rin

Jin-joo

Ahn Jae-hong

In-gook

Heo Joon-seok

Bum-soo

Jeon Yeo-jin

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 In-woo

Dong-won

Han Jun-woo

Club DJ

Kim Chan-hyung

Head of Loan Shark

Baek Soo-hee

Min-jung

Park Hyuk-kwon

Movie Director

Song Ye-dam

Twin Brother

Song Ye-joon

Twin Brother

Kim Jong-soo

Dong-woo's Uncle

So Hee-jung

Kyung-jae's Mother

Hong Wan-pyo

Assistant Director

Yang Hyun-min

So-jung

Kim Jae-man

Chicken Restaurant Owner

Hwang Mi-young

Woman bumps into Kyung-jae on Campus

Oh Ha-ni

Makeup Team

Kang Chung-hun

Dong-woo's Colleague

Jung Seo-in

Hair Salon Staff

Kim Hye-young

Assistant Director

Lee Byeong-heon

Director

Lee Yoon-ho

Storyboard

Lee Byeong-heon

Writer

Lee Seung-ryong

Line Producer

Kim Woo-taek

Executive Producer

Gim Sun-il

Production Supervisor

Lee Geun-woo

Key Grip

Noh Seung-bo

Director of Photography

Yoon Jin-yul

Stunts

Cho Yong-seok

VFX Supervisor

Park Song-hee

Makeup Artist