Casts
Choi Min-sik
as Ri Hak-sung
Kim Dong-hwi
as Han Ji-woo
Park Hae-jun
as Ahn Gi-chul
Park Byung-eun
as Kim Geun-ho
Jo Yoon-seo
as Park Bo-ram
Tang Joon-sang
as Tae-yeon
Kim Won-hae
as Park Pil-joo
Ju Jin-mo
as Professor Oh
Kim Hee-jung
as Bo-ram's Mother
Kang Mal-geum
as Ji-woo's Mother
