이연희
Choi Eun-hwan
현빈
Kang Jae-kyung
임주환
Seung-Joon
Jeong Wook
Principle
Lee Han-sol
Myung-sik
Lee Young-hoo
Chairman Kang
Lee Kan-hee
Eun-hwan's Mother
도용구
Myung-sik's Father
Park Yoo-Sun
Child in Public Performance
Kim Byeong-se
Lawyer
Yang Geum-seok
singing class member
이재구
teacher
이미도
Myung-suk's younger sister
Kim Tae-hoon
Jae-soo's friend #1
Kim Jung-woon
Jae-soo's friend #3
Park Jin-young
butler
Kwon Oh-jin
gas station boss
김기두
Pyung-chang's classmate #3
Park Sang-hoon
Jae-soo
Lo Yong-Joon
Goo -Ho
Hong Dal-pyo
Jae-kyung's father
Won Duk-hyun
Jae-kyung (young)
Kim Gyung-Ae
Soon-chul's grandmother
김경란
old woman with fur socks
