Kim Su-an

Gong-ju

Na Moon-hee

Mal-soon

Lim Han-bin

Woo-ram

Kang Bo-kyung

Hwang-sook

Chun Woo-hee

Ms. Park

Shim Wan-jun

In-woo

Go Gyu-pil

Dong-gwang

Choi Jung-yoon

Hye-in

Choi Soo-young

Adult Gong-ju

Yeon Je-wook

Adult Woo-ram

Jung Yoo-jin

Adult Hwang-sook

Jin Sun-mi

Woo-ram's Mother (uncredited)

Lim Hyun-sung

Woo-ram's Father (uncredited)

Yoo Ji-yeon

Kyung-sook's Mother (uncredited)

Yeon Song-ha

Gimbop