Générique complet
행복은 성적순이 아니잖아요
이미연
Lee Eun-joo
김보성
Kim Bong-koo
Kim Min-jong
Son Chang-soo
이덕화
Park Gil-ho
최주봉
Homeroom Teacher
김일우
Mr. Jung
양택조
Lee Jung-suk
CH
Choi Soo-hoon
Ahn Chun-jae
Choi Soo-ji
Ms. Kang
전운
Principal
정혜선
Eun-joo's mother
이해룡
Eun-joo's father
HH
Hwang Byung-hoon
Kang Moon-do
김
김의상
Na Chok-sae
LN
Lee Mi-nam
Lee So-young
Kim Ji-young
Chang-soo's mother
