Discover
Lee Yeon-hee
Choi Eun-hwan
Hyun Bin
Kang Jae-kyung
Lim Ju-hwan
Seung-Joon
Jeong Wook
Principal
Lee Han-sol
Myung-sik
Lee Young-hoo
Chairman Kang
Lee Kan-hee
Eun-hwan's Mother
Do Yong-gu
Myung-sik's Father
Park Yoo-Sun
Child in Public Performance
Kim Byeong-se
Lawyer
Lo Yong-Joon
Goo -Ho
Yang Geum-seok
Singing Class Member
Lee Jae-gu
Teacher
Lee Mi-do
Myung-suk's Younger Sister
Hong Dal-pyo
Jae-kyung's Father
Won Duk-hyun
Jae-kyung (Young)
Kim Jung-woon
Jae-soo's Friend #3
Park Jin-young
Butler
Kwon Oh-jin
Gas Station Boss
Kim Gyung-Ae
Soon-chul's Grandmother
Kim Kyeong-ran
Old Woman with Fur Socks
Kim Ki-doo
Pyung-chang's Classmate #3
Park Sang-hoon
Jae-soo
Kim Zio
Jae-soo's Friend #1
Editing
Ko Im-pyo
Editor
Production
Kim Young-duk
Producer
Kim Kwang-sup
Executive Producer
Jung Bo
Production Designer
Kim Kwan-hoon
Production Manager
Choi Geon-yong
Executive Producer
Lee Joo-ick
Producer
Yun Jong-ho
Executive Producer
Chin Hee-moon
Producer
Sound
Kim Tae-seong
Music Editor
Writing
Kim Eun-sook
Screenplay