Cha Seung-won as Lee Mong-hak

Hwang Jung-min as Hwang Jung-hak

Baek Sung-hyun as Kyeon Ja

Han Ji-hye as Baek-ji

Ryu Seung-ryong as Lord Jung

Shin Jung-keun as Lord Yoo

Lee Dal-Hyeong as Lord Song

Yum Dong-hun as Lord Park

Kim Chang-wan as King Seonjo

Song Young-chang as Han Sin-gyun

Lee Hae-yeong as Han Pil-joo

Yang Yeong-Jo as Lee Jang-kak

Lee Young-suk as Eunuch Kim (uncredited)

Seo Seung-won as Executor 2 (uncredited)

Jeong Gyu-su as tableware maker (uncredited)

Ji Il-ju as Confucian scholar (uncredited)

Yun Yeong-keol as funeral priest (uncredited)

Kim Min-su as Shoulder #2

Kim Min-seung as Kyeon Ja's elder brother 4