Modern Boy

Park Hae-il

Lee Hae-myung

Kim Hye-soo

Cho Nan-sil

Kim Nam-gil

Hidaka Shinsuke

Kim Joon-bae

Baek Sang-heo

Kim Young-jae

Ogai

Shin Gu

Hae-myung's Father

Ju Seok-tae

Detective in a beret

Lim Seo-yeon

Yoko Ishida

Hong Seung-jin

Cheol-kwon

Hwang Sang-kyung

Mr. Lee

Lee Seung-bi

Yukiko

Kim Kwang-kyu

Park Ka-song

Kwak Min-seok

Japanese Detective

Moon Won-ju

Large Detective

Hong Sang-jin

Sang-gu