Han So-hee

Yoon Ji-woo / Song Ji-woo / Oh Hye-jin

한소희

Park Hee-soon

Choi Mu-jin

박희순

Ahn Bo-hyun

Jeon Pil-do

안보현

Kim Sang-ho

Cha Gi-ho

김상호

Lee Hak-joo

Jung Tae-ju

이학주

Jang Yul

Do Gang-jae

장률

Hong Woo-jin

Park Jin-woo

Baek Joo-hee

Kang Soo-yeon

백주희

Moon Sang-min

Go Gun-pyeong

문상민

Kim In-woo

Yamamoto

김인우

한동규

Bae Joon-gu

김수하

Yoon Ji-woo (young)

Cha Ji-hyun

Thug

Kim Jung-woo

Detective

김정우

Song Young-joo

Bully student

Ahn Bok-ja

Convenience store owner

Kim Bi-bi

Homeroom teacher

김비비

김병철

Cho Jin-se

Yoon Kyung-ho

Yoon Dong-hoon / Song Joon-soo

윤경호

권혁범

Park Chang-goo

Shin Yeon-woo

Woman on drugs

신연우

원춘규

Buyer

김찬이

Buyer

리우진

Monk

김사훈

Police officer

Won Jin

Moo-jin's chauffeur

원진

이석

Kim Cheol-ho