Son Hyun-joo
Baek Seong-soo
Kim Won-hae
Baek Seong-chul
Gi Ju-bong
Seong-soo's Stepfather
Lee Yeong-mi
Seong-soo's Mother
Jeong Min-sung
Jo Min-hoon
Seong Yu-bin
Young Baek Sung-chul
Kim Hak-ryong
Goods Van Middle-aged Man
Park Geon-gyu
Helmet Delivery Man
Kim Geun-young
Woman Who Erases Graffiti
Jang Yun-sil
Harbor Apartment Next Door
Lee Young-suk
Homeless Man (uncredited)
Ju Seok-tae
Detective (uncredited)
Kim Hye-yoon
Student (uncredited)
Uhm Ji-sung
Young Seong-soo (uncredited)