Ugly Cake

Kim Jung-hwa

Kim Joo-hee

Oh Min-suk

Oh Tae-soo

Gyeong Su-jin

Oh Ah-yeong

Jang Ji-Eun

Han So-jeong

Kim Hye-ok

Lee Jeong-ja

Ji Nam-hyuk

Han Yeong-min

Jung Bo-seok

Han Moon-gil

Joo Ah-reum

Kim Ye-bin

Jo Jung-eun

Lee Se-jin

Kim Bo-ra

Seo Yoo-min

Park Keun-hyong

Principal (Special appearance)

Yun Yoo-sun

Lee Se-jin's mother