All Cast

Kim Ha-neul

Kim Ha-neul

Yoon So-eun

Yoo Ji-tae

Yoo Ji-tae

Ji-in

Ha Ji-won

Ha Ji-won

Soe Hyeon-ji

Park Yong-woo

Park Yong-woo

Ji Dong-hee

Shin Cheol-jin

Shin Cheol-jin

Security Guard

Yoo Tae-gyun

Yoo Tae-gyun

Yoon So-eun's Father

Lee In-ok

Lee In-ok

Yoon So-eun's Mother

Lee Yeong-gwang

Lee Yeong-gwang

Professor

Kim Sang-won

Kim Sang-won

Ji-in's Friend

Kim Do-yoon

Kim Do-yoon

Ham Radio Club 1

Lee Kyung-Hoon

Lee Kyung-Hoon

Literature Club 3

Kim Min-ju

Kim Min-ju

Hur Sun-mi

Maeng Bong-hak

Maeng Bong-hak

Doctor

Kim Bang-Sun

Kim Bang-Sun

Librarian