Kadro (17)
An So-heeYun-im
Park Sang-namKi-haeng
Lee Hyun SoJong-won
Takuya TeradaMichio
Jo Eun-yooNa-eun
Oh Tae-kyungManager
Bae Yu-ramDong-hwa
Shin So-yulYu-jeong
Go Seo-heeHye-rin's mother
Yoon Jun-wonDetective Joo
Kim Tae-junDetective Park
Jung In-giVice manager
Jang Jun-wheeVice head teacher
Lee Jae-inHead teacher
Yang Ji-ilInstructorKang Hyuk-ilJin-do
Hong Ji-youngYeon-woo's mother