Song Kang-ho as Nae-kyung

Lee Jung-jae as Grand Prince Soo-yang

Baek Yoon-sik as Kim Jong-seo

Cho Jung-seok as Paeng-heon

Lee Jong-suk as Jin-hyeong

Kim Hye-soo as Yeon-hong

Kim Eui-sung as Han Myung-hoi

Chae Sang-woo as Dan-jong

Kim Tae-woo as King Mun-jong

Ko Chang-seok as Choi Dae-gam

Seo Hyun-woo as Jin-moo

Woo Sang-jeon as Old Han Myung-hoi

Kim Kang-hyun as Murder Suspect (uncredited)

Jung Da-won as Young Wife (uncredited)

Kim Seo-hyeon as Fake Soo-yang

Chun Sin-hwan as Shin Sook-ju

Kim Ho-yeon as Jo-geuk-gwan

Kim Yeon-soo as Gayageum Gisaeng