친구

유오성

Joon-seok

장동건

Dong-soo

서태화

Sang-taek

정운택

Jeong-ho

김보경

Jin-sook

기주봉

Mustache

주현

Joon-seok's Father

전영운

Dong-soo's Father

이재용

Scar-Eye

Kim Hyun-ji

Tall Woman

Yoo Seung-il

Child Joon-seok

Jeong Hee-ryong

Child Dong-soo

Kim Joon-beom

Child Sang-taek

Kim Seong-bok

Child Joong-ho

강신일

Sang-taek's Father

권남희

Sang-taek's Mother

박남희

Joon-seok's Mother

이은주

Sin-ae

김정태

Doruko

Yoo Byeong-seok

Small Guy