Once in a Summer

Lee Byung-hun

Yun Suk-young

Soo Ae

Seo Jung-in

Lee Se-eun

Lee Su-jin

Lee Hae-eun

Bok-ja

Choi Deok-moon

Suk-young's Senior

Jeong Seok-yong

Mr. Kim

Na Ki-soo

Suk-young's Father

Oh Dal-su

Nam Gyun-soo

Yoo Hai-jin

PD Kim

Kim Joong-ki

Senior

Park Nam-hee

Branch School Principal

Park Chae-ik

Literary Society Member