Nothing Serious

Jun Jong-seo

as

Ja-young

Son Suk-ku

as

Woo-ri

Gong Min-jeung

as

Sun-bin

Kim Seul-gi

as

Yu-mi

Bae Yu-ram

as

Woo-seong

Kim Jae-hwa

as

Editor in chief

Im Sung-jae

as

Macho

Lim Sun-woo

as

Yeon-hee

Kim Yeong-ok

as

Grandmother

Kim Kwang-kyu

as

Father

Lee Hak-ju

as

Min-seok

Park Jong-hwan

as

Namkoong Sang-...

Jang Eui-soo

as

Trainer

Jang Seo-kyung

as

Seo-kyung

Kim E-jun

as

Hyung-jun