Kim Soo-ro

as Cha Seon-sang

Hwang Jung-eum

as Eun-su

Park Ji-yeon

as Se-hee

Yoon Shi-yoon

as Kwan-woo

Park Eun-bin

as Na-rae

Ji Chang-wook

as Soo-il

Yoon Seung-ah

as Tae-yeon

Lee Ah-jin

as Ji-yoon

Nam Bo-ra

as Hyeon-a

Yeo Min-joo

as Yong-ran

Son Ho-jun

as Jung-bum

Kwon Hyun-sang

as JK

Park Jin-su

as Geun-sik

Yool Chan

as Won-ho

Kim Byeong-ok

as Teacher Kang

Kim Min-young

as Min-jeong

Kim Bo-mi

as Kyung-hee

Jeon Boram

as Ji-ae

Lee Yong-nyeo

as Jung-bum's Mother

Bae Soo-kyung