李敏镐

Min-ho Lee

饰：吴尚勋

文彩元

문채원

饰：李恩实

李灿浩

Chan-ho Lee

饰：Ok Gi-ho

河正宇

Jung-woo Ha

饰：客串

朴宝英

박보영

饰：韩宋伊

李瀚伟

이한위

饰：校长

金成玲

김성령

饰：理事长

金英玉

Young-ok Kim

饰：Seong-geun's mother,(as Yeong-ok Kim)

金秀路

김수로 Kim Su-Ro

饰：天盛根

金基邦

Ki-bang Kim

饰：Meok-tong

金秉玉

Byeong-ok Kim

饰：Publisher

李灿英

Chan-yeong Kim

金敏京

Kim Min-Kyeong

郑宗烈

Jong-yeol Jeong

白成铉

백성현

饰：白宗国

Yoon-jeong Choi

Yoon-jeong Choi

饰：Yoon-jeong

金亨范

김형범

饰：Cha Seung-ryong

金在罗

Jae-rok Kim

饰：Math teacher

Ho-seok Kong

Ho-seok Kong

饰：Teacher Choi

Chan-yeong Lee

Chan-yeong Lee

饰：Byeong-jin

李嫣静

Eon-jeong Lee

饰：Chemistry teacher

闵智贤

Min Ji-Hyun

饰：Gi-ho's seat partner,(as Ji-hyeon Min)

Hyeong-gwon Lee

Hyeong-gwon Lee

饰：Vice-principal

孟奉鶴

Bong-hak Maeng

饰：Vice-principal of country school

吴妍瑞

Yeon-seo Oh

Jin-taek Park

饰：Jin-gook

Yeong-ih Lee

饰：Eun-sil's mother

吴妍秀

韩文：오연수 日文：オ·ヨンス

饰：Soo-jin

Soon-tae Oh

Soon-tae Oh

饰：Jo Ba-nom