첫사랑

김혜수

Park Young-shin

송영창

Kang Chang-wook

조민기

Kim Moon-soo

?

Ahn Hae-Suk

Young-shin's Mother

최종원

Young-shin's Father

?

Kim Hye-yeong

Young-shin's Sister

유오성

Nanyang University Theatre Class

Kim Kwang-young

Cheongju University Theatre Class

서동수

Seoul University Theatre Class

박예숙

김기범

도용구

?

Jeong Yeong-guk