Kim Ha-neul
Yoon So-eun
Acting
Yoo Ji-tae
Ji-in
Acting
Ha Ji-won
Soe Hyeon-ji
Acting
Park Yong-woo
Ji Dong-hee
Acting
Shin Cheol-jin
Security Guard
Acting
Yoo Tae-gyun
Yoon So-eun's Father
Acting
Lee In-ok
Yoon So-eun's Mother
Acting
Lee Yeong-gwang
Professor
Acting
Kim Sang-won
Ji-in's Friend
Acting
Kim Do-yoon
Ham Radio Club 1
Acting
Lee Kyung-Hoon
Literature Club 3
Acting
Kim Min-joo
Hur Sun-mi
Acting
Maeng Bong-hak
Doctor
Acting
Kim Bang-Sun
Librarian
Acting