A Time Called You

Ahn Hyo-seop

Nam Si-heon / Koo Yeon-jun

Jeon Yeo-been

Kwon Min-ju / Han Jun-hee

Kang Hoon

Jung In-gyu

Chang Hyae-jin

Bae Mi-yeong

Park Hyuk-kwon

Bae Chi-won

Yun 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

Hwang Soo-min

Anchor

Kim Si-kook

Silver Lining employee

Kim Hee-chang

Byung-ryul

Kim Geon-ho

Noksan High School chemistry teacher

Lee Rang-seo

Seul-ki

Jang Se-hyun

Sang-ho

Lee Ji-ha

Soo-kyung

Lee Na-ra

Koo In-yeong

Ahn Jong-jin

Silver Lining employee

Sung Ki-yoon

Kwon Sang-jo

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

Jung Seo-yeon

Han Jun-hee (young)

Kang Myeong-ju

Mi-sun

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

Kim Tae-jeong

Park Min-sang

Lee Joo-young

Blind date student

Jung Ji-hyeon

Blind date student

Noh Hyun-seok

Blind date student

Yoon Jin-seong

Chan-yeong's mother

Oh Min-jeong

Chan-hui's caregiver

Hwang Jae-yeol

Detective Ki-won

Jeong Doo-won

Detective Yoon-ho

Kim Jae-man

Photo studio owner

Kim Joo-hwang

Electronics repairman

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