Don't Tell Papa

Yoo Seung-ho

Kim Cho-won

Jung Woong-in

Cheol-soo

Chae Min-seo

Ae-ran

Kim Yang-woo

Jeol-gu

Hong So-hee

Ra-mi

Lee Young-ja

Soon-mi

Lee Eung-kyung

Elena Kim

Lim Ho

Borisu

Kim Ji-young

Cho-won's homeroom teacher

Kim Mi-hwa

Bar owner

Yoo Jung-hyun

DJ

Jung Bo-seok

Cafe

Lee Yoo-jin

Bride

Lee Jong-soo

Fiancé

Cho Hyoung-ki

Quick

Nam Po-dong

Sales Manager

Im Il-chan

Deok-bae

Jang Dae-seong

Teacher