لحظة في الثامنة عشرة

옹성우

Choi Joon-Woo

김향기

Yoo Soo-Bin

신승호

Ma Whi-Young

강기영

Oh Han-Kyeol

심이영

Joon-Woo's mother

김선영

Soo-Bin's mother

최재웅

Choi Myeong-jun

문빈

Jung Oh-je

정영주

Park Geum-ja

정현준

Choi Joon-Woo (young)

유인수

Yoo Pil-Sang

Han Sung-min

Hwang Ro Mi [Soo Bin's classmate]

김보윤

Kwon Da-hwin

Moon Joo-yeon

Yoon So-ye

Baek Jae-woo

Go Dong