6.7
Moment At Eighteen
Choi Joon-Woo
Yoo Soo-Bin
Ma Whi-Young
Oh Han-Kyeol
Joon-Woo's mother
Soo-Bin's mother
Choi Myeong-jun
Jung Oh-je
Park Geum-ja
Choi Joon-Woo (young)
Yoo Pil-Sang
Hwang Ro Mi [Soo Bin's classmate]
Kwon Da-hwin
Yoon So-ye
Go Dong