양익준

Hyun Taek-ki

전혜진

Gang-sun

정가람

Se-yun

방은희

Boy's Mother

김성균

Bong-yeon

백지원

Member of Dongin

최희진

Doctor

김종수

CEO of Dongin

이은주

Member of Dongin

Lee Jae-woo

Member of Dongin

A-in

Part-time Worker

Kim Sung-ho

[After school student]