Kim Hee-ae

as Ryu Hyun-sook

Ko A-sung

as Lee Man-ji

Kim Yoo-jung

as Kim Hwa-yeon

Kim Hyang-gi

as Lee Cheon-ji

Yoo Ah-in

as Choo Sang-bak

Sung Dong-il

as Kwak Man-ho

Chun Woo-hee

as Kwak Mi-ran

Yoo Yeon-mi

as Kwak Mi-ra

Kim Jung-young

as Hwa-yeon's Mother

Lee Jae-gu

as Hwa-yeon's Father

Kyul Hwi

as Mr. Park

Kim Ji-hoon

as Kim Ji-hoon

Kang Da-young

as Ji-min

Lee Young-eun

as Mi-so

Park Ji-young

as Su-kyoung

Kim Seon-hong

as Woo-ram

Lee Mi-ji

as Seong-hee

Lee Soo-kyung

as Student

Park Soo-young

as Mr. Im

Jang Ayeong

as Teacher