Soonjung Online

Kyung-soo Do - Bum-Sil, Kim So-Hyun - Soo-Ok, Joon-seok Yeon - San-Dol (as Yeon Jun-Suk) , Lee Da-wit - Gae-Duk (as David Lee) , Da-Yeong Ju - Gil-Ja, Jang-Su Bae - Radio director, Park Hae-Joon - Min-Ho, Seok-jeong Hwang - Gae-Duk's Mother (as Hwang Suk Jung) , Kim Hyeon-Ok - , Ji-ho Kim - Gil-Ja (Adult), Kwon Kim - Young-Il, Beom-su Lee - Yong-Chul, Dae-yeon Lee - Soo-Ok's Father, Choong-seon Park - Bum-Sil's Father (as Choong-Sun Park) , Jeong Min Park - Yong-Soo (as Jung-min Park)