작업의 정석

Son Ye-jin

Han Ji-won

송일국

Seo Min-jun

현영

Ji-won's Friend

노주현

Min-jun's Father

윤영준

Noh Do-chul

안선영

Oh Ji-yeong

박준규

CEO Bong

김애경

Ms. Park

Woo Hyeon

Guard / Pawnbroker

정정아

Ji-won's Secretary

Ahn Sang-tae

Fortune Teller

김태정

Emergency Room Nurse

이정훈

Hotel Manager

홍석천

DJ

Jeong Yong-uk

House-call Doctor

신우철

Se-jun

Jung Sung-il

Muscular Man

박용우

Kang Seong-mo

지상렬

Ending Work Guy

이매리

Ending Work Girl

금보라

Mrs. Jung

하성철

Waiter at Party

송용식

Boyfriend in the ending

자두

Girlfriend in the ending