Park Ji-hoon
Yeo Joon (12 eps)
Bae In-hyuk
Nam Soo-hyun (12 eps)
Kang Min-ah
Kim So-bin (12 eps)
Kwon Eun-bin
Wang Young-ran (12 eps)
Woo Da-vi
Gong Mi-joo (12 eps)
Choi Jung-woo
Hong Chan-ki (12 eps)
Lee Woo-je
Han Jung-ho (12 eps)
Yoo In-soo
Oh Cheon-kook (12 eps)
Yoon Jung-hoon
Go Sang-tae (12 eps)
Shin Su-hyun
Park Hye-ji (12 eps)
Choi Moon-hee
Lee Gi-seon (12 eps)
Bin Chan-uk
Kim Jung-beom (12 eps)
Cha Chung-hwa
Professor Song Soo-kyung (12 eps)
Eru
Professor Park (12 eps)
Kim Hyeong-mook
Yeo Myung-hoon (12 eps)
So Hee-jung
Cha Jeong-joo (12 eps)
Na In-woo
Yeo Joon-wan (12 eps)
Kim Su-gyeom
Nam Goo-hyun (12 eps)
Lee Ye-rim
Miss Seol Na-young [Assistant teacher] (12 eps)
