Characters played by Yong-jun Bae
In-su
Characters played by Son Ye-jin
Seo-young
Characters played by Kook-huan Chun
[no data]
Characters played by Clazziquai
Themselves
Characters played by Jeon Gook-hwan
Su-jin's Father
Characters played by Kwang-il Kim
Kwang-il
Characters played by Se-dong Kim
The security guard
Characters played by Han-wi Lee
In-soo's Senior
Characters played by Ssang Lee
Self
Characters played by Young-hee Lee
Gyeong-ho's Mother
Characters played by Sang-hyo Lim
Su-jin
Characters played by Loveaholic
Themselves
Characters played by Seung-su Ryu
Gyeong-ho
Characters played by Seung-mok Yoo
The doctor