I

Kim Hyang-gi

as

Ah-young

Ryu Hyun-kyung

as

Young-chae

Yeom Hye-ran

as

Mi-ja

Lee Soo-bin

as

Min-ji

Kim Hyeon-mok

as

Kyung-soo

Lee Yeon-kyung

as

Professor Jung

Jeong Soo-ji

as

Hee-jung

Yoon Jung-hoon

as

Jong-hwan

Kang Gil-woo

as

Seung-woo

Park Ock-chool

as

Hyun-sook

Lee Ji-bom

as

Min-gu