홍경인

Eom Suk-dae

고정일

Han Byung-tae

태민영

Han Byung-tae (old)

Choi Min-sik

Mr. Kim

Shin Gu

Mr. Choi

이진선

Female Teacher

Kim Hye-ok

Byung-tae's mother

Woo Sang-jeon

Byung-tae's father