Khoảnh Khắc Tuổi 18

옹성우

Choi Joon-Woo

Baek Jae-woo

Go Dong

Choi Jae-woong

Choi Myeong-jun

Han Sung-min

Hwang Ro Mi [Soo Bin's classmate]

Jeong Young-ju

Park Geum-ja

Jung Hyeon-jun

Choi Joon-Woo (young)

Kang Ki-young

Oh Han-Kyeol

Kim Bo-yoon

Kwon Da-hwin

Kim Hyang-gi

Yoo Soo-Bin

Kim Sun-young

Soo-Bin's mother

Moon Bin

Jung Oh-je

Moon Joo-yeon

Yoon So-ye

Shim Yi Young

Joon-Woo's mother

Shin Seung-ho

Ma Whi-Young

Sim Na-yeon

Yoo In-soo

Yoo Pil-Sang

Yun Gyeong-a