On screen
Cast
65 credited performers
Ahn Hyo-seop
Nam Si-heon / Koo Yeon-jun
Jeon Yeo-bin
Kwon Min-ju / Han Jun-hee
Kang Hoon
Jung In-gyu
Jang Hye-jin
Bae Mi-yeong
Park Hyuk-kwon
Bae Chi-won
Yoon Sang-jeong
Sung Hye-mi
Han Ji-won
Lee Su-jin
Song Ji-woo
Byeon Da-hyeon
Kim Yi-kyeong
Park Ji-hui
Baek Seong-cheol
Se-kwon
Kim Cheol-yun
Bum-sun
Lee Joo-sil
Gye-sun
Jang Yoon-jeong
Ji Yong-seon
Oh Yong
Dong-jun
Seo Ye-hwa
Seo Na-eun
Lee Min-goo
Kwon Do-hun
Min Jin-woong
Oh Chan-yeong / Oh Chan-hui
Jang Se-hyun
Sang-ho
Lee Ji-ha
Soo-kyung
Lee Na-ra
Koo In-yeong (Eps 1, 7, 8)
Lee Rang-seo
Seul-ki
Jung Seo-yeon
Han Jun-hee (young)
Kang Myeong-ju
Mi-sun
Kim Tae-jeong
Park Min-sang
Lee Joo-young
Blind date student
Jung Ji-hyeon
Blind date student
Jeong Doo-won
Detective Yoon-ho
Kim Joo-hwang
Electronics repairman
Hwang Soo-min
Anchor (Eps 1)
Kim Si-kook
Silver Lining employee
Kim Hee-chang
Byung-ryul
Kim Geon-ho
Noksan High School chemistry teacher
Ahn Jong-jin
Silver Lining employee
Sung Ki-yoon
Kwon Sang-jo
Im Tae-poong
Jung In-gyu (young)
Kim Ji-woo
Nam Si-heon (young)
Kwon Hyuk-soo
Doctor
Lee Jung-yeol
Bus driver
Park Ki-woong
Doctor Choi Myung-il
Jung Soo-han
Seung-ho
Hong Seok-bin
Noksan High School vice-principal
Kim Deok-ju
Jun-hee's grandmother
Ahn Chae-heum
Jun-hee's friend
Jeong Hyeon-woo
Doctor
Lee Dong-kyu
Anchor
Kim Won-suk
Prison guard
Kim Byeo-ri
Hotel receptionist
Rowoon
Tae-ha
Do Sang-woo
Park Do-hyeon
Kwon Ha-young
Waitress
Park Seoung-tae
Elderly pedestrian
Nam Jeong-woo
Restaurant manager
Jung Han-bit
Do-hyeon's girlfriend
Choi Se-in
Crying restaurant girl
Noh Hyun-seok
Blind date student
Yoon Jin-seong
Chan-yeong's mother
Kim Seo-jun
Oh Chan-yeong (young)
Oh Min-jeong
Chan-hui's caregiver
Hwang Jae-yeol
Detective Ki-won
Kim Jae-man
Photo studio owner
Oh Kyung-joo
Chang-joo
Park Hui-jeong
Yoon-mi
Do Ye-joon
Seo Hyeon-uk
Kim Kyung-min
Kang Jung-woo
Lee Si-on
Crying boy