- Kim Byeong-se - Lawyer
- Lo Yong-Joon - Goo -Ho
- Yang Geum-seok - singing class member
- Lee Jae-gu - teacher
- 이미도 - Myung-suk's younger sister
- Hong Dal-pyo - Jae-kyung's father
- Won Duk-hyun - Jae-kyung (young)
- 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
- Kim Gyung-Ae - Soon-chul's grandmother
- 김경란 - old woman with fur socks
- 김기두 - Pyung-chang's classmate #3
- Park Sang-hoon - Jae-soo
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Simone Bartesaghi
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