Extracurricular

Kim Dong-hee

Oh Ji-soo· 10 ep

Park Ju-hyun

Bae Gyu-ri· 10 ep

Jung Da-bin

Seo Min-hee· 10 ep

Nam Yoon-su

Kwak Ki-tae· 10 ep

Kim Yeo-jin

Lee Hae-gyoung· 10 ep

Choi Min-soo

Lee Wang-cheol· 10 ep

Park Hyuk-kwon

Cho Jin-woo· 10 ep

Seo Ye-hwa

Na Seong-mi· 10 ep

Kim Kwang-kyu

Byung-kwan· 10 ep

Baek Joo-hee

Cho Mi-jun· 10 ep

Im Gi-hong

Ryu Dae-yeol· 10 ep

Lee Hyun-gul

Kkakdugi· 10 ep

Park Ho-san

Oh Jung-jin· 10 ep

Shim Yi Young

Gyu-ri's Mother· 10 ep

Kim Young-pil

Gyu-ri's Father· 10 ep

Woo Da-vi

Soo-ji· 10 ep

Lee Jae-Baek

Kang Bbang· 10 ep

Lee Seung-wook

Chae-bin· 10 ep

Kim Yi-kyeong

Kim Ji-ye· 10 ep

Park Bo-Mi

Cho Min-joo· 10 ep

Kwon Han-sol

Hye-min· 10 ep

Kang Seol

Lee Na-eun· 10 ep

Shin Myung-sung

Lim Tae-woo· 10 ep

Min Bok-gi

[Dean of students]· 10 ep

Lee Seung-ryong

Kyung-sik· 10 ep

Jang Se-rim

Yoo Eun-chae· 5 ep

Kim Tae-hoon

Motel owner· 2 ep

Kim Byung-hee

Tae-nam· 2 ep

Oh Kwang-rok

Jae Ik [Wang Cheol's military mate]· 2 ep

Kwak Hee-Joo

Tae Rim· 2 ep

Choi Dae-hoon

Mr. Choi [CEO of Heaven Entertainment]· 2 ep

Min Ha-ram

Barista· 1 ep

Oh Kyu-taek

Motel customer· 1 ep