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 Father

Do Ji-won as Ishida Yoko

Lee Kan-hee as Madame

Ju Seok-tae as Detective

Kim Ki-cheon as Boarding House Owner

Lee Tae-rim as Atlantis Cafe Manager

Lee Seung-bi as Yukiko

Nalie Lee as Schoolgirl

Hwang Sang-kyung as Mr. Lee

Kim Kwang-kyu as Park Ka-song

Kwak Min-seok as Japanese Detective

Moon Won-ju as Large Detective

Im Seo-Yeon as Yoko Ishida

Lee Sae-byeol as Yoko Ishida's Manager

Hong Seung-jin as Sang-gu

Shin Young-jin as Dressmaking Shop Owner

Seo Jin-won as Man at Stables

Han Soo-yeon as Modern Girl

Hong Min-hee as Ms. Kim