Song Kang-ho as Yoon Tae-goo / The Weird

Lee Byung-hun as Park Chang-yi / The Bad

Jung Woo-sung as Park Do-won / The Good

Yoon Je-moon as Byung-choon

Song Young-chang as Kim Pan-joo

Lee Chung-ah as Song-yi

Kim Kwang-il as Two Blades

Don Lee as Bear

Jo Kyeong-hun as Doo-chao

Lee Hang-soo as Karemaru

Kang Hyun-joong as Ghost Market

Lee Sung-min as Chef

Oh Dal-su as Messenger for Kim Pan-joo

Kim Min-jae as Ghost Market Gang

Son Byung-ho as Seo Jae-sik

Ryu Seung-su as Man-gil

Kwak Do-won as Gangster at Traditional Market

Jin Sun-kyu as Gangster at Traditional Market

Jo Deok-jae as Chang-yi's Gang

Seo Seung-won as Chang-yi's Gang

Min Young as Train Bag Prostitute / Opium Woman

Hakuryu as Ishihara

Lee Tae-rim as Sam-gook's Gang

Oh Yeon-ah as First class passenger