Lee Sung-kyoung
Kim Bok-joo

Nam Joo-hyuk
Jung Joon-hyung

Lee Jae-yoon
Jung Jae-yi

Gyeong Su-jin
Song Shi-ho

Choi Woong
Kim Ki-seok

Ji Il-ju
Tae-kwon

Cho Soo-hyang
Soo-bin

Cho Hye-jeong
Jung Nan-hee

Oh Eui-sik
Bang Woon-ki

Lee Joo-young
Lee Sun-ok

Choi Moo-seong
Yoon Duk-man

Jang Young-nam
Choi Sung-eun

An Kil-kang
Kim Chang-gul

Kang Ki-young
Kim Dae-ho

Jeong In-gi
Joon-hyung's Father

Lee Jung-eun
Joon-hyung's Mother

Yoo Da-in
Ko A-young

Kim Ye-joon
Young Joon-hyung

Cho Mi-nyeo
Bok-joo's Senior