Modern Boy

Park Hae-il

as

Lee Hae-myung

Kim Hye-soo

as

Jo Nan-sil

Kim Nam-gil

as

Hidaka Shinsuke

Kim Joon-bae

as

Baek Sang-heo

Kim Young-jae

as

Okai

Shin Goo

as

Hae-myung's Fa...

Do Ji-won

as

Ishida Yoko

Lee Kan-hee

as

Madame

Ju Seok-tae

as

Detective

Kim Ki-cheon

as

Boarding House...

Lee Tae-rim

as

Atlantis Cafe ...

Lee Seung-bi

as

Yukiko

Nalie Lee

as

Schoolgirl

Hwang Sang-kyu...

as

Mr. Lee

Kim Kwang-kyu

as

Park Ka-song

Kwak Min-seok

as

Japanese Detec...

Moon Won-ju

as

Large Detective

Im Seo-Yeon

as

Yoko Ishida

Lee Sae-byeol

as

Yoko Ishida's ...

Hong Seung-jin

as

Sang-gu

Shin Young-jin

as

Dressmaking Sh...

Seo Jin-won

as

Man at Stables

Han Soo-yeon

as

Modern Girl

Hong Min-hee

as

Ms. Kim