Mr. Perfect

Yoon Shi-yoon

as

Baek Se-jin

Yeo Jin-goo

as

Lee Byung-joo

Cheon Ho-jin

as

Seok-gu

Lee Kyung-young

as

Principal

Park Sang-myeon

as

Byung-joo's fa...

Lee Won-jong

as

Jong-hee's fat...

Kong Jeong-hwan

as

Jeong-hwan

Kim Bo-mi

as

Yi-hwa

Yoo Seo-jin

as

Anna

Je Dong-hwa

as

Gang of Four