Lee Byung-hun as King Gwang-hae / Clown Ha-sun

Ryu Seung-ryong as Chief Secretary Heo-gyun

Han Hyo-joo as Queen Joong-jun

Kim In-kwon as Warrior Do

Jang Gwang as Eunuch

Shim Eun-kyung as Court Lady Sa-wol

Park Ji-a as Lady Han

Shin Jung-keun as Lee Jeong-rang

Jeon Guk-hyang as Lady Jeong

Lee El as Lady Ahn

Kim Myung-gon as Park Chung-seo

Kyul Hwi as Public Officer

Lee Yang-hee as Minister of Land

Lee Bong-ryeon as Royal Kitchen Court Lady

Lee Ran-hee as Royal Kitchen Court Lady

Shin Un-seop as Nobleman

Joo Young-ho as Public Officer

Yang Joon-mo as Kim Joo-seo

Moon Chang-gil as Prime Minister

Kwon Eun-soo as Gwang-hae's Towel Court Lady

Do Yong-gu as Minister of National Defense

Yoo Soon-woong as High Ranking Public Official

Ha Soo-ho as General Jung-jeon

Lee Jun-hyeok as Village Chief

Kim Bi-bi as Queen's Court Lady

Lee Jae-yong as Scholar

Heo Sung-tae as Soldier