On screen
Cast
34 credited performers
Seo Hyun-jin
Go Ha-neul
Ra Mi-ran
Park Seong-soon
Ha Jun
Do Yeon-woo
Lee Chang-hoon
Bae Myeong-soo
Lee Yoon-hee
Lee Seung-taek
Kim Hong-pa
Byeon Sung-joo
Ye Su-jeong
Yoon Yeo-hwa
Jo Yeon-hee
Kim Yi-boon
Jung Hae-kyun
Moon Soo-ho
Park Ji-hwan
Song Yeong-tae
Yoo Min-kyu
Ji Hae-won
Heo Tae-hee
Ha Su-hyeon
Woo Mi-hwa
Han Jae-hee
Lee Eun-saem
Jin Yoo-ra
Park Ji-hoon
Ku Jae-hyun
Jeong Taek-hyeon
Hwang Bo-tong
Kim Jung-young
Moon So-nyeo (Go Ha-neul's mother)
Maeng Sang-hun
Go Sung-chul (Go Ha-neul's father)
Kwon So-hyun
Song Ji-sun
Park Yu-rim
Ryu Jin-hee
Artwork unavailable
Ryu Ji-eun
Go Ha-neul (young)
Ahn So-rim
Yang Da-sol
Ryu In-ah
Go Ha-neul [Young]
Baek Eun-hye
Song Chan-Hee
Tae In-ho
Kim Young-ha
Choe Min
Han Se-Wol
Lee Hyun-kyun
Ha-Neul's high school teacher
Kil Hae-yeon
Young Ha's mother
Ok Joo-ri
Store owner
Seo Jeong-yeon
Ji Yun's mom
Kim Jung-soo
Principal Gang
Park Jin-young
High School Principal
Yoo Young-bok
Gangnam High School Principal
Oh Se-eun
Female Student (eps 6)