Kim Hee-ae as Ryu Hyun-sook

Ko A-sung as Lee Man-ji

Kim You-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