In this endearing supernatural love story spanning two decades, a university student finds himself communicating with a female classmate from the same school through an antique ham radio.
Kim Ha-neul
Yoon So-eun
Yoo Ji-tae
Ji-in
Ha Ji-won
Soe Hyeon-ji
Park Yong-woo
Ji Dong-hee
Shin Cheol-jin
Security Guard
Yoo Tae-gyun
Yoon So-eun's Father
Lee In-ok
Yoon So-eun's Mother
Lee Yeong-gwang
Professor
