On screen
Cast
26 credited performers
Park Hae-jin
Cha Cha-woong
Jin Ki-joo
Go Seul-hae
Ko Kyu-pil
Ma Dong-cheol
Jung Jun-ho
Choi Gum
Kim Hee-jae
Lee Yong-ryeol
Jeong Seok-yong
Nam Sang-gun
Jang Ha-eun
Cheon Ye-ji
Cha Mi-kyung
Na Geum-ok
Park Seo-yeon
Kang Ah-reum
Kim Jong-hoon
Seo Hee-soo
Ha Sung-kwang
Hoe Do
Choi Seong-won
Character not listed
Shin Hyun-jun
Character not listed
Oh Ye-ju
Go Seul-hae (young)
Yoon Sang-ah
Yoon Sang Ah
Han Cho-won
Aris
Kim Na-young
Kim Na Young
Hina Nagai
Hina
Lee Ju-hyeon
Juhyeon
Lee Yu-jeong
Yujeong
Oh Hui-yeon
Huiyeon
Kim Ji-an
Jian
Yang Joo-ho
Byeon Tae Sik
Ahn Sang-woo
Lee Jong Gu [Min Suk's husband]
Lee Young-suk
Kim Sun Bok
Kang Chae-min
[former bully]